California Flooding

Losses, 2024 dollars

$4.7 billion

Losses at the time

$4.5 billion

Deaths

22

The losses and deaths are NCEI’s, counting everything the disaster did. The episodes below are only what the Weather Service filed in its Storm Events record, which counts damage differently and often not at all, so the two never add up and are shown apart.

• Flash Flood in New York, December 25, 2022$100,000 · 1 eventA large and intense storm system tracked through the region from December 23-25, 2022. Heavy rain and snowmelt led to rises on the Raquette River in St. Lawrence County.
• Coastal Flood in Washington, December 25, 20221 eventWinter perigean spring tide resulted in minor tidal overflow.
• Flooding in Idaho, December 26 to 28, 2022$11,000 · 2 eventsRain amounts near an inch and melting snow caused flooding issues in the area including Paradise Creek in Moscow.
• Flooding in Washington, December 26 to 27, 2022$1,000 · 2 eventsRain amounts above an inch and melting snow caused flooding issues in the Spokane and|Oakesdale areas.
• Flooding and High Wind in California, December 26 to 30, 20223 injured · $61,000 · 59 kt wind · 79 eventsDeep-layer westerly flow occurring along a zonally oriented quasi-stationary frontal boundary yielded a multi-day atmospheric river event across Northwest California during late December. Widespread impacts due to heavy rain and strong winds were observed across the region.
• Flooding and High Wind in California, December 27, 2022$20 · 66 kt wind · 13 eventsA strong low pressure system moving down the Pacific Coast tapped into sub-tropical moisture, bringing heavy rain and strong winds from the night of December 26th through the 27th. A wind advisory was issued for the immediate coastline and coastal mountains and East Bay Hills.
• Flash Flood and Winter Storm in California, December 27 to 31, 2022$843,000 · 56 kt wind · 38 eventsA strong and very wet atmospheric storm brought extended periods of moderate to heavy rain and periods of strong winds to much of the region, along with heavy high-elevation snow.
• Debris Flow and Flooding in California, December 27, 20222 deaths · 67 kt wind · 28 eventsA strong upper low pressure system moved through California on December 27. This system had abundant moisture associated with it as it pulled up a deep fetch of moisture of tropical origin.
• Coastal Flood in Washington, December 27 to 28, 20227 eventsCoastal flooding between 8 AM - 11 AM high tide cycle on 12/27. The event was a result of King Tides, coinciding with significantly strong low pressure in the area and strong winds.
• Debris Flow and High Wind in California, December 27, 202267 kt wind · 3 eventsA fast-moving storm system moved from north to south across Southern California during the evening hours on December 27th and moved out on the morning of December 28th.
• Flood in Maine, December 27 to 31, 20221 eventAn ice jam developed along the Penobscot River during the afternoon of the 27th near Howland...which persisted into January 1st. The ice jam led to minor flooding in the vicinity of Merrill Brook Lane and Garden Lane.
• Debris Flow in Idaho, December 27 to 28, 2022$1,000 · 1 eventContinuous rain in the area brought an isolated mudslide to the small road in Lewiston.
• Flash Flooding in Texas, December 29 to 30, 20224 eventsA cluster of strong thunderstorms developed across the area during the evening of December 29 and early morning hours of December 30. These storms produced heavy rain and gusty winds, notably resulting in flash flooding in portions of Galveston County.
• Flood and Damaging Wind in Louisiana, December 30, 202250 kt wind · 2 eventsA coastal low developed along the Texas coast and lifted northeast. As the low and associated cold front moved through one storm produced damage in Vernon Parish.
• Flood and Damaging Winds in Louisiana, December 30, 2022$2,000 · 52 kt wind · 5 eventsAn mid level system embedded within a broad upper level system drove the development and progress of showers and thunderstorms from Texas into Louisiana and finally east through the local area.
• Debris Flows and Flooding in California, December 30 to 31, 2022$2,000 · 72 kt wind · 67 eventsA large upper trough moved slowly through California on December 30 and 31. This system had a deep fetch of tropical moisture associated with it which resulted in a period of moderate to heavy precipitation along with widespread flooding across much of the area on December 31.
• Debris Flow and Flooding in California, December 31, 20222 deaths · $10 · 15 eventsAn atmospheric river impacted the Bay Area on December 31st, resulting in significant rainfall across the San Francisco Bay Area. Initial forecasts called for the most intense rainband to progressively move south towards the Central Coast as the day went on.
• Flash Flood and Flood in California, December 31, 202269 kt wind · 7 eventsA stronger storm system impacted Southern California on New Year's Eve with heavier precipitation and higher winds. Multiple reports of flooding and high winds were received on New Year's Eve alone.
• Flood in Maine, January 1, 20231 eventAn ice jam developed along the Penobscot River during the afternoon of December 27th near Howland...which persisted into the morning of the 1st. The ice jam led to minor flooding in the vicinity of Merrill Brook Lane and Garden Lane.
• Flash Flooding and Heavy Snow in Utah, January 1 to 3, 2023$60,000 · 19 eventsA strong winter storm brought widespread snowfall and winter impacts to much of the forecast region for the start of 2023.
• Flash Flooding and Heavy Snow in California, January 1, 20233 deaths · $134 million · 5 eventsA strong atmospheric storm brought moderate to heavy rain and a period of strong winds New Years Eve into early New Years Day, along with heavy high-elevation Sierra snow. There were 3 fatalities reported due to drowning.
• Flooding in California, January 1 to 17, 2023$272 million · 6 eventsA series of atmospheric river systems impacted Interior Northern California and produced substantial flooding and wind damage.
• Flash Flooding and Debris Flows in California, January 1, 2023$2,000 · 62 kt wind · 26 eventsA strong winter storm starting in late December 2022 carried over into January 2023, bringing heavy rain and mountain snow to southern California.
• Debris Flows and Flooding in California, January 1, 2023$1,000 · 67 kt wind · 15 eventsA large upper trough moved slowly through California on December 30 and 31. This system had a deep fetch of tropical moisture associated with it which resulted in a period of moderate to heavy precipitation along with widespread flooding across much of the area on December 31.
• Flash Flood and Flood in Arizona, January 1 to 2, 20238 eventsA long wave trough moved across Arizona on on New Year's Day with bringing widespread precipitation. Snow levels were initially relatively high for this time of the year. The snow levels dropped rapidly as a cold front associated with the trough moved across the area.
• Flash Flood and Flood in Arizona, January 1 to 2, 2023$40,000 · 2 eventsA strong low pressure system moved across the southwestern U.S. on the 1st, delivering moderate to locally heavy rainfall activity as well as embedded thunderstorm activity.
• Flooding and Coastal Flood in California, January 2 to 7, 20233 injured · $218,000 · 82 kt wind · 76 eventsA quasi-stationary westerly upper flow regime yielded multiple atmospheric rivers over Northwest California during the first two weeks of January. Impacts from these events were widespread, both in terms of flooding and wind damage.
• Flash Flooding and Heavy Rain in Arkansas, January 2 to 3, 2023$40,000 · 5 eventsA warm front lifted northward off the Gulf Coast, causing rapid moisture transport to the Mid-South. In addition, an upper-level trough and associated cold front approached the area.
• Flash Flood and Hail in Texas, January 2 to 3, 20231.5 in hail · 3 eventsA vigorous upper level trough traversed east through the Desert Southwest and into the Southern Rockies January 1st, before ejecting northeast across the Texas/Oklahoma Panhandles into Western Kansas on the 2nd.
• Flash Flood and Heavy Rain in Missouri, January 2 to 3, 20232 eventsA warm front lifted northward off the Gulf Coast, causing rapid moisture transport to the Mid-South. In addition, an upper-level trough and associated cold front approached the area.
• Flood in Maine, January 2 to 4, 20231 eventAn ice jam developed on the Aroostook River...between Caribou and Fort Fairfield...during the late evening of the 2nd. The ice jam was initially 5 to 6 miles in length...increasing to 9 to 12 miles during the 3rd.
• Flood in Illinois, January 2, 20231 eventMultiple bands of thunderstorms occurred during the night. The storms occurred in the warm sector of a surface low centered over northeast Kansas.
• Flooding in Missouri, January 3, 20232 eventsHeavy rainfall caused localized flooding.
• Flooding and Heavy Snow in California, January 3 to 6, 20232 deaths · $50,000 · 52 kt wind · 42 eventsA powerful atmospheric river brought very strong winds with moderate to heavy rain and renewed flooding of the already elevated waterways. There was flooding of roadways, urban areas, rivers, streams, and creeks.
• Flash Flooding and Damaging Winds in Kentucky, January 3, 202351 kt wind · 33 eventsDuring the overnight hours and into the morning on January 3rd, a strong system moved across central Kentucky, bringing isolated damaging wind gusts and widespread heavy rainfall.
• Flash Flood and Flooding in Ohio, January 3, 2023$18,000 · 15 eventsShowers and thunderstorms developed during the morning hours ahead of a low pressure system moving through the Ohio Valley.
• Flooding in Arkansas, January 3 to 31, 20236 eventsHeavy rain brought flooding to parts of Arkansas in early January 2023. Rivers affected included the Ouachita, Saline, Cache, Black, and White.
• Flash Flooding and Flooding in Kentucky, January 3, 2023$40,000 · 15 eventsShowers and thunderstorms developed during the morning hours ahead of a low pressure system moving through the Ohio Valley.
• Flash Flood and Hail in Louisiana, January 3, 20231 in hail · 2 eventsAn area of low pressure and associated cold front moved across the region producing a line of thunderstorms. One storm became severe.
• Flooding in Ohio, January 3 to 5, 2023$16,000 · 9 eventsA prolonged period of rain between January 3rd through 4th was the result of a large upper level disturbance swinging through the middle Ohio Valley. Local trained spotters and cooperative observers measured between 2 to 3 inches of rain had fallen during this time.
• Flooding in Pennsylvania, January 3, 20233 eventsA warm front remained relatively stationary across the Upper Ohio Valley on January 3rd. An anomalously moist and warm air mass surged northward into the zone of convergence associated with the boundary, and combined with elevated instability to create enhanced rainfall rates.
• Flooding in Ohio, January 3 to 4, 20233 eventsA warm front remained relatively stationary across the Upper Ohio Valley on January 3rd. An anomalously moist and warm air mass surged northward into the zone of convergence associated with the boundary, and combined with elevated instability to create enhanced rainfall rates.
• Flood in West Virginia, January 3 to 4, 20231 eventA warm front remained relatively stationary across the Upper Ohio Valley on January 3rd. An anomalously moist and warm air mass surged northward into the zone of convergence associated with the boundary, and combined with elevated instability to create enhanced rainfall rates.
• Flash Flooding and Damaging Winds in Alabama, January 3 to 4, 2023$20,000 · 53 kt wind · 9 eventsStrong thunderstorms developed ahead of a cold front and moved across the area during the afternoon and evening hours. These storms produced high winds that caused damage in addition to some flooding.
• Flood in West Virginia, January 3 to 4, 2023$500 · 1 eventA large upper level disturbance lumbered through West Virginia between January 3rd and 4th, leading to persistent rain showers across the Ohio River Valley.
• Flood in Missouri, January 3, 20231 eventMultiple bands of thunderstorms occurred during the evening hours. The storms occurred in the warm sector of a surface low centered over northeast Kansas.
• Flood and Lightning Strike in Georgia, January 4 to 5, 2023$51,000 · 2 eventsMoisture from the Gulf of Mexico combined with a dynamic frontal system to produce a prolonged period of moderate to heavy rain across northeast Georgia throughout the third and into the morning of the fourth.
• Flash Flood and Flood in South Carolina, January 4, 2023$11,000 · 50 kt wind · 3 eventsMoisture from the Gulf of Mexico combined with a dynamic frontal system to produce a prolonged period of moderate to heavy rain across upstate South Carolina throughout the third and into the morning of the fourth.
• Debris Flows and Flooding in California, January 4 to 5, 2023$106,000 · 90 kt wind · 99 eventsA large low pressure system brought moderate to heavy precipitation, widespread flooding and strong winds to the area on January 4 and 5.
• Debris Flow and Flooding in California, January 4 to 5, 2023$10 · 10 eventsOn January 4th to the 5th, a strong atmospheric river combined with a bomb cyclone led to widespread heavy rain, damaging wind gusts, and high surf across the Bay Area and Central Coast.
• Debris Flow in Puerto Rico, January 4, 2023$1,000 · 1 eventShowers increased in frequency across the eastern third of Puerto Rico due to the interaction of a surface trough and a TUTT. This activity resulted in a mudslide in Morovis.
• Heavy Rain in American Samoa, January 4 to 9, 2023$70,000 · 3 eventsBetween January 1st and January 9th, multiple slow moving troughs moved over American Samoa. 12.41 inches was recorded at WSO Pago Pago. Multiple landslides occurred on Tutuila island on January 9th.
• Flash Flood and Debris Flow in California, January 4 to 8, 202372 kt wind · 6 eventsThe series of atmospheric rivers continued across Southern California in early January of 2023. Widespread rain and high-elevation snow occurred, leading to several instances of rock and mud slides, as well as a swiftwater rescue near Palm Springs.
• Debris Flows in Washington, January 7 to 10, 2023$2,000 · 2 eventsMild temperatures and near half an inch of rain created some localized flooding and rock slides in the Cascades.
• Debris Flow in Idaho, January 7 to 10, 2023$500 · 1 eventMild temperatures and near two inches of rain created rock slide in the North Idaho near Coolin.
• Flooding and Heavy Snow in California, January 7 to 9, 20231 death · $19,000 · 75 kt wind · 39 eventsA multiday atmospheric river continued across Northwest California during early to mid January. Impacts from heavy rain and strong winds were numerous across the region.
• Flash Flood and Flooding in Guam, January 8 to 11, 2023$5,000 · 3 eventsA shear line dropping south into the Marianas and interacting with a nearby trade-wind trough brought heavy rain to the Marianas. The WFO on Guam reported a 24 hour total of 2.97 inches on January 8th and a five day total from January 8th to January 12th of 7.56 inches.
• Flash Flood in Texas, January 7 to 8, 20231 eventAn upper level shortwave trough brought a cold front through South Central Texas. Thunderstorms developed along this boundary and some produced heavy rain that led to flash flooding.
• Flash Flood in Texas, January 8, 20231 eventAn upper level jet, interacting with moisture overriding a shallow cold air mass, produced scattered thunderstorms across the Victoria Crossroads during the early morning hours of the 8th.
• Flash Flooding in Mississippi, January 8, 2023$20,000 · 2 eventsHeavy rainfall occurred due to heavy rain.
• Flooding and Damaging Winds in California, January 8 to 10, 20231 death · $1,000 · 61 kt wind · 6 eventsFrom January 8th to January 9th, a strong atmospheric river led to widespread flooding across the San Francisco Bay Area and Central Coast. This was followed by convection on the 10th that resulted in flash flooding.
• Flash Flooding and Winter Storm in California, January 8 to 11, 20232 deaths · $32 million · 68 kt wind · 232 eventsA strong low pressure system moved through central California on January 9 and 10.
• Flash Flooding and Flooding in California, January 9 to 10, 20232 deaths · 1 injured · 82 kt wind · 32 eventsA powerful atmospheric river brought heavy rainfall, widespread flooding and gusty winds to the area. Rainfall totals generally ranged from 2-6 inches across the coastal and valley areas with 6-16 inches across the mountains and foothills.
• Debris Flow and Heavy Snow in Nevada, January 9 to 11, 202365 kt wind · 7 eventsA stronger winter storm produced several waves of new snow and high winds that impacted the region during the third week of January.
• Flooding and High Wind in California, January 9 to 10, 202367 kt wind · 15 eventsA weak atmospheric river brings heavy rain to Orange, northern Riverside and San Bernardino Counties. San Bernardino County saw the heaviest rainfall, with reports of 4 to 10 inches. Multiple reports of flooding were received with several swiftwater rescues.
• Debris Flow and Flood in Washington, January 10 to 15, 2023$1,000 · 2 eventsMild temperatures and rain of three quarter an inch to one inch created some localized flooding and rock slides in the Cascades.
• Flash Flooding and Debris Flows in Puerto Rico, January 11, 2023$55,000 · 11 eventsSlow-moving showers and isolated thunderstorms developed late in the afternoon on the 11th of January. This activity lasted through the evening hours, and rainfall amounts of up to 5 inches were observed in Bayamon.
• Flash Flood and Hail in Mississippi, January 12, 2023$181,000 · 1.75 in hail · 15 eventsA line of storms produce damaging winds and large hail.
• Flooding and Hail in Ohio, January 12, 20231 in hail · 3 eventsThunderstorms developed during the morning hours ahead of a low pressure system moving through the Ohio Valley.
• Flood in New York, January 13, 2023$50,000 · 1 eventWaves of rainfall, which at times were heavy, Thursday evening (January 12th) into Friday morning (January 13th) combined with runoff from southern Vermont may have been the cause of a culvert overflowing and collapsing in the town of Hoosick Falls.
• Debris Flows and Flooding in California, January 14 to 15, 202341 eventsAnother strong low pressure system impacted central California as it moved eastward across northern California on January 14.
• Flooding and Winter Weather in California, January 14 to 19, 2023$4,000 · 12 eventsAn additional period of low-elevation heavy rain and localized flooding accompanied by gusty winds and high elevation snow.
• Flooding and Damaging Wind in California, January 14, 20231 death · $10 · 5 eventsAn atmospheric river contributed to flooding concerns from January 13 to January 14th, with impacts compounded by saturated soils from previous rain events.
• Flash Flood and Heavy Snow in California, January 14 to 16, 2023$2,000 · 2 eventsTwo waves of rain and snow affected the region, the first as Pacific low pressure directed an atmospheric river inland, and the second as the low pressure itself passed by. This resulted in heavy mountain snow and isolated road flooding.
• Flash Flooding and Debris Flows in California, January 14 to 17, 202365 kt wind · 30 eventsThe last in a series of atmospheric rivers impact Southern California January 14-16.
• Flooding and Heavy Snow in Arizona, January 14 to 17, 2023$11,000 · 8 eventsTwo waves of rain and snow affected the region, the first as Pacific low pressure directed an atmospheric river inland, and the second as the low pressure itself passed by.
• Flood and Heavy Snow in Arizona, January 15 to 17, 20236 eventsA slow moving winter storm delivered heavy snow to the mountains of southeast Arizona January 15 through 17. Snow amounts in the high terrain above 7000 ft totaled 1 to 2 feet.
• Flooding and High Wind in California, January 15 to 17, 2023$103,000 · 70 kt wind · 41 eventsThe strong storm that brought widespread precipitation and additional flooding to the area on January 14 was followed by another storm which moved through the area between the afternoon of January 15 and the afternoon of January 16.
• Debris Flow and Flooding in Puerto Rico, January 15, 2023$1,000 · 4 eventsThe islands were in between two areas of enhanced moisture. To the west, a cold front was approaching, and from the Leeward Islands, another patch of moisture was approaching.
• Flood in Oregon, January 15 to 17, 20231 eventSeveral days of heavy rain combined with mountain snow melt caused flooding on the Coquille River at Coquille.
• Debris Flow in California, January 17 to 23, 2023$10 · 1 eventOn January 17th and 18th, two separate landslides impacted the ACE commuter rail track between Fremont and Sunol, forcing the cancellation of service until the 23rd.
• Flooding in Illinois, January 18, 20234 eventsAs cool high pressure moved off to the east, southerly winds brought highs in the 60's and increased moisture to the region. Scattered showers and storms brought brief but heavy downpours that prompted a few instances of minor flooding.
• Flood in Missouri, January 18 to 19, 20231 eventAreas of moderate to heavy rain fell over Douglas County causing one low water crossing to be flooded for a brief period.
• Flooding in Missouri, January 18, 20232 eventsAs cool high pressure moved off to the east, southerly winds brought highs in the 60's and increased moisture to the region. Scattered showers and storms brought brief but heavy downpours that prompted a few instances of minor flooding.
• Coastal Flood in California, January 20 to 22, 20231 eventThe most extreme tides of 2023 occurred January 20-22, with the highest tides occurring in the morning. Coastal flooding was reported along the coast, with sea water filtering into residential areas and surf pounding the Marine Room Restaurant.
• Flash Flood in Louisiana, January 21, 20231 eventA line of thunderstorms approached the local area from the north and stalled along and just north of the I-12 corridor. The heaviest storms along the stalled line set up near Denham Springs. This led to flash flooding as the line sat there.
• Coastal Flood and Astronomical Low Tide in Louisiana, January 22 to 25, 20236 eventsLow and high tidal variations occurred along the coast of Southwest Louisiana due to a pair of strong cold fronts and an area of low pressure.
• Coastal Flood and Astronomical Low Tide in Texas, January 22 to 25, 20233 eventsLow and high tidal variations from the 22nd through the 25th were forced by a pair of strong cold fronts and an area of low pressure.
• Coastal Flood in Guam, January 23, 2023$3,000 · 1 eventOngoing La Ni a, with combination of Spring tide and north swell caused inundation in low lying areas.
• Flood and Coastal Flood in Massachusetts, January 23, 2023$48,000 · 12 eventsLow pressure, tracking from the New Jersey coast to Nantucket, produced heavy, wet snow that was pretty much confined to the higher elevations in western and northern Massachusetts.
• Flash Flood in Hawaii, January 24, 20231 eventA period of heavy rain falling at a rate of one to three inches per hour initiated river rises on the Hanalei River in northern Kauai.
• Flood in Maine, January 26, 20231 eventOn the 25th a winter storm lifted north through the Ohio River Valley and into the eastern Great Lakes while a weakening high pressure drifted southeast into the Canadian Maritimes.
• Flooding in Arkansas, January 27 to 31, 20233 eventsHeavy rain brought river flooding to parts of Arkansas in late January. The Ouachita River and the White River were affected.
• Flash Flooding in Hawaii, January 27 to 28, 20231 death · 2 eventsAn extended period of deep layered moisture and moderate instability generated periods of heavy rainfall and localized flooding impacts across portions of Maui County.
• Flash Flooding in Hawaii, January 29, 20232 eventsRadar indicated heavy rain across portions of Maui County through the early morning hours. The most intense rain fell over the Wailuku and Waikapu areas with rainfall rates of one to two inches per hour over saturated ground.
• Flash Flooding in Louisiana, January 29, 20237 eventsA surface pressure trough, which later turned into a stationary front, situated over the Gulf of Mexico slowly crept northward until it reached the I-12 corridor near Baton Rouge.
• Flood in Idaho, January 29 to 31, 2023$50,000 · 1 eventWinter temperatures were the in the top 5 for coldest resulting in significant ice buildup on the Lemhi River. Cold temperatures culminated on January 30th with a low of -33F in Leadore and -18F in Salmon. Ice jam related flooding occurred around this significant cold period.
• Flood and Heavy Snow in California, January 30 to 31, 2023$1,000 · 5 eventsAnother winter storm impacted Southern California January 30th through the 31st. A closed upper level low pressure system led to widespread rain in the coasts and valleys as well as a few inches of snow in the mountains, with the heaviest snow in the San Bernardino Mountains.
• Flash Flood in Hawaii, January 30, 20231 eventRadar and automated rain gauges indicated heavy rain, with rates of one to two inches per hour, had fallen over northern Kauai. Area river and stream gauges showed elevated flows.
• Flooding in Arkansas, February 1 to 28, 20235 eventsHeavy rain in January brought flooding to rivers in south and east Arkansas that continued into February.
• Flash Flood in Hawaii, February 4, 20231 eventAn extended period of heavy rain, falling at a rate of one to two inches per hour, generated flash flooding that forced road closures for portions of Kauai.
• Flood and Damaging Winds in California, February 4 to 6, 2023$3,000 · 57 kt wind · 13 eventsA fairly strong upper low pressure system moved eastward across northern California on February 5 with precipitation from this system extending southward into central California between the evening of February 4 and the evening of February 5.
• Flooding in Florida, February 5, 20232 eventsA front just south of the area began to move north over South Florida during the early morning of February 5th, leading to the development of widespread heavy showers.
• Flash Flood and Hail in Texas, February 8, 20231 death · $100,000 · 1.5 in hail · 2 eventsThunderstorms moved across North and Central Texas during the morning and early afternoon of Wednesday February 8. Most storms were sub-severe, but isolated instances of hail did occur.
• Flash Flooding and Flooding in Arkansas, February 8, 202315 eventsHeavy to excessive rain was in the forecast on February 7th/8th, especially in northern and western Arkansas. This was ahead of a storm system in the southern Plains, and north of a nearly stationary front draped across central sections of the state.
• Flooding in Missouri, February 8 to 9, 202311 eventsA frontal boundary stalled stalled over northern Arkansas and southern Missouri the morning of the 8th, which allowed showers and storms to continue over southern Missouri as moisture overrode the stalled front.
• Flooding in Arkansas, February 8 to 28, 202313 eventsTemperatures quickly rebounded by February 7-8 as a strong storm system approached the area. Highs across southern and central Arkansas climbed into the 70s to lower 80s, breaking a few records.
• Flash Flooding and Flooding in Arkansas, February 8, 20239 eventsA surface low was accompanied by a stalled frontal boundary that extended near and along the Interstate 30 corridor of Southwest Arkansas, Southeast Oklahoma, and far Northeast Texas.
• Flash Flooding and Flooding in Oklahoma, February 8, 20234 eventsA surface low was accompanied by a stalled frontal boundary that extended near and along the Interstate 30 corridor of Southwest Arkansas, Southeast Oklahoma, and far Northeast Texas.
• Flash Flood and Damaging Winds in Arkansas, February 8, 2023$220,000 · 56 kt wind · 3 eventsA stalled front resulted in widespread showers and thunderstorms across northeast Arkansas during the late morning and early afternoon of February 8, 2023. Locally heavy rainfall in the Jonesboro area resulted in isolated flash flooding.
• Flooding in Oklahoma, February 8 to 10, 20232 eventsA cold front moved through much of eastern Oklahoma on the 7th, and became nearly stationary across southeastern Oklahoma and west central Arkansas through the 8th. This front was the focus for two rounds of showers and thunderstorms across the region.
• Flooding in Arkansas, February 8, 20232 eventsA cold front moved through much of eastern Oklahoma on the 7th, and became nearly stationary across southeastern Oklahoma and west central Arkansas through the 8th. This front was the focus for two rounds of showers and thunderstorms across the region.
• Flood and Damaging Winds in Missouri, February 8, 2023$1,000 · 61 kt wind · 3 eventsSurface low pressure developed over western Arkansas, with a warm front arcing east-northeast toward the lower Ohio Valley. Very small amounts of instability near the warm front were sufficient for narrow lines of convective rain showers.
• Flash Flood and Flood in Illinois, February 8 to 9, 2023$30,000 · 56 kt wind · 9 eventsA deepening surface low was centered over central Missouri. The associated warm front lifted north across southern Illinois, allowing small amounts of instability in the warm sector to overspread southern Illinois.
• Flash Flooding in Georgia, February 10 to 11, 20236 eventsA slow moving upper level trough combined with deep moisture to produce heavy rainfall and flash flooding across portions of south-central Georgia. Rainfall totals between 5 and 8 inches were measured in a couple of days.
• Flooding in Georgia, February 10 to 11, 20232 eventsWaves of pre-frontal showers and storms produced training bands of locally heavy rainfall over the course of a couple of days.
• Flood and Strong Wind in South Carolina, February 11 to 12, 2023$25,000 · 4 eventsA low pressure system encountered deep moisture while tracking across southeast South Carolina, helping produce light to moderate showers and strong gradient winds across the region.
• Flooding in Arkansas, February 13 to 28, 20232 eventsHeavy rain in mid February brought flooding to the White River.
• Flash Flooding and Flood in Kentucky, February 16, 20231 death · 1 in hail · 14 eventsA strong storm system moved through the Ohio Valley beginning late in the evening on February 15th and continuing through much of the day on February 16th.
• Flash Flooding and Flooding in Kentucky, February 16 to 21, 2023$15,000 · 7 eventsWidespread rain with numerous embedded thunderstorms persisted through the overnight hours of the 15th into the early morning hours of the 16th. Locally heavy rainfall caused some pockets of flash flooding of roads and low spots.
• Flooding and Heavy Rain in Virginia, February 16 to 18, 2023$15,000 · 7 eventsProlonged rainfall over a 24- to 25-hour period ended around 8 AM EST on February 17th, which resulted in localized minor river flooding across portions of western Virginia. Unusual warmth during most of the river meant no frozen ground, snow cover or river ice in the area.
• Flooding and Heavy Rain in West Virginia, February 16 to 18, 2023$5,000 · 15 eventsProlonged rainfall over a 24- to 25-hour period ended around 8 AM EST on February 17th, which resulted in localized minor river flooding across portions of southeast West Virginia (SEWV).
• Flash Flood and Debris Flows in Kentucky, February 16, 2023$41,000 · 50 kt wind · 12 eventsA low pressure center was slowly tracking into western Kentucky during the first part of the day on Wedensday, with a stationary front positioned along the Ohio River, and keeping much of eastern Kentucky in a warm, moist, and unstable airmass.
• Flood in Indiana, February 16, 20231 eventWidespread rain with numerous embedded thunderstorms persisted through the overnight hours of the 15th into the early morning hours of the 16th. Locally heavy rainfall caused some minor flooding of roads and low spots.
• Flooding in West Virginia, February 16 to 19, 20231 death · $129,000 · 23 eventsA stationary front located near West Virginia on the morning of February 16th acted as a link between two low pressure systems streaming north and south of the area.
• Flooding in Kentucky, February 16 to 18, 2023$3,000 · 2 eventsRain and thunderstorms developed on the afternoon of February 16th ahead of a low pressure system and surface cold front.
• Flooding in Ohio, February 16 to 17, 2023$3,000 · 4 eventsPortions of southeast Ohio observed flooding beginning on the afternoon of February 16th in response to heavy rainfall ahead of a cold frontal passage.
• Flood in Kentucky, February 16, 20231 eventShowers and thunderstorms developed ahead of a cold front moving through the Ohio Valley.
• Flash Flood in Louisiana, February 16, 2023$15,000 · 1 eventAs a cold front approached the local area from the west, the environment became primed for thunderstorms to develop with warmth and instability increasing. Storms that developed ahead of the front had little mid level flow to give them much movement.
• Flash Flooding and Flooding in Alabama, February 16 to 17, 20236 eventsRainfall amounts of 2.5-4 fell over the course of a few hours on the evening of February 16th. Widespread flooding occurred across portions of Cullman, Marshall, and into portions of Jackson and Dekalb Counties.
• Flash Flooding and Debris Flow in Tennessee, February 16 to 17, 20236 eventsHeavy rain was triggered by a cold front slowly displacing a warm sector whose precipitable water anomaly was near the maximum for the day.
• Flooding and Damaging Wind in Virginia, February 17, 2023$1,000 · 5 eventsPeriods of heavy rainfall resulted from a progressing low pressure system and surface cold front late on February 16th into the 17th.
• Flooding in Virginia, February 17, 2023$10,000 · 3 eventsHeavy rain was triggered by a cold front slowly displacing a warm sector whose precipitable water anomaly was near the maximum for the day.
• Flash Flooding in Hawaii, February 17 to 19, 20232 eventsRepeated rounds of heavy rainfall, falling at rates of one to three inches per hour, generated flashing flooding which forced road closures for parts of Big island's Kau and Puna Districts.
• Flash Flood in Hawaii, February 18 to 19, 20231 eventBands of persistent heavy rainfall moved over Kauai from the southeast at rates of 1 to 2 inches per hour. Water levels rose on streams across much of the island, especially in the South Fork Wailua and Hanalei Rivers. Runoff impacted vulnerable low lying areas and roads.
• Coastal Flood in Guam, February 20 to 22, 20231 eventInundation occurred on February 20, 21, and 22 during afternoon high tide at the lagoon side of the airport road, and some low-lying area in Majuro. February 21 was the highest tide of the year.
• Flooding in Indiana, February 20 to 23, 20232 eventsMinor flooding occurred along sections of the Ohio River. The flooding was due to a series of frontal passages that brought showers and thunderstorms on ground that was already very moist.
• Flood in Hawaii, February 20, 2023$1,000 · 1 eventAn extended period of enhanced rainfall with embedded locally heavy rainfall rates overwhelmed a few local roads on Pearl City Peninsula.
• Heavy Rain in Hawaii, February 20, 20231 eventSoils on the windward side of the Big Island, near Hilo, were nearly saturated and fatigued due previous rounds of heavy rainfall that occurred over the past several days, which created a landslide near Honomu.
• Flash Flooding in American Samoa, February 20, 2023$140,000 · 4 eventsA strong through moved through the region on the evening of February 20th to bring widespread Flash Flooding over Tutuila. There were multiple reports of homes being inundated from the flooding waters and caused delays to the Hawaiian Airlines flight to/from Honolulu.
• Flood in Illinois, February 21 to 24, 20231 eventMinor flooding occurred along sections of the Ohio River. The flooding was due to a series of frontal passages that brought showers and thunderstorms on ground that was already very moist.
• Flash Flood in Hawaii, February 21, 20231 eventHeavy rainfall elevated streams across the island with efficient runoff due to high soil moisture content and locally intense rainfall rates.
• Flash Flood and Blizzard in California, February 21 to 26, 2023$5,000 · 82 kt wind · 23 eventsAn intense period of heavy snow and blizzard conditions, damaging winds, low-elevation snow and widespread flooding rainfall plagued Southern California February 21-27.
• Flood and Winter Weather in Indiana, February 22 to 23, 20233 eventsAn area of freezing rain developed across northwest Indiana during the early morning hours of February 22nd. The Valparaiso Airport measured 0.09 inches of ice accumulation.
• Flash Flooding and Hail in Illinois, February 22, 20231 in hail · 12 eventsA warm front draped along the I-72 corridor served as the initial focusing mechanism for convection across central Illinois on February 22nd. Midday temperatures ranged from the upper 30s north of the boundary in the Peoria area to the lower 70s along and south of I-70.
• Flooding and Heavy Snow in California, February 24 to 26, 2023$7,000 · 65 kt wind · 71 eventsA large cold upper low pressure system dropped slowly southward off the California coast on February 24 and 25.
• Flood and Heavy Snow in California, February 24 to 25, 2023$2,000 · 5 eventsStrong low pressure digging south out of the northeast Pacific brought heavy precipitation, mostly snow, to Inyo County.
• Flash Flood and Heavy Rain in Arkansas, February 24, 20233 eventsDuring the predawn hours of February 24th, a front was stalled along the Gulf Coast, with high pressure and colder air slowly building into Arkansas from the north.
• Flood in Wyoming, February 24 to 25, 20231 eventDuring the late evening hours on February 24, a skier triggered avalanche occurred and deposited snow in Flat Creek.
• Flood in Iowa, February 27 to 28, 20231 eventA large and unseasonably warm system brought showers and thunderstorms to the state. Over an inch of rain fell across much of Iowa. In northern Iowa, this was on top of a snowpack of two to four inches.
• Flood and Heavy Snow in California, February 27 to 28, 202322 eventsAnother cold upper trough moved across central California on February 27 and 28 which resulted in another period of widespread precipitation across the area.
• Flooding in Wisconsin, February 27 to 28, 2023$25,000 · 2 eventsA few creeks and rivers reached minor flood stage over southeast WI after 1.5-2.0 inches of rain fell on a melting, shallow snowpack and frozen ground.
• Flooding in Iowa, February 27 to 28, 20234 eventsRunoff from the combination of rainfall and melting snow caused some northeast Iowa river flooding to occur along the Turkey and Volga Rivers in late February.
• Flooding in California, February 27, 2023$60 · 6 eventsA cold front came through the area, bringing moderate to heavy downpours, gusty winds, and isolated thunderstorms with small hail. A Winter Weather Advisory was in place for areas above 3000 feet.
• Flood in Wisconsin, February 27, 20231 eventRunoff from the combination of rainfall and melting snow caused some southwest Wisconsin river flooding to occur along the Grant River in late February.
• Flood in California, February 27 to 28, 2023$10,000 · 1 eventMelting snow from the storm three days before led to minor flooding in the Owens Valley.
• Flooding in Arkansas, March 1 to 31, 202318 eventsHeavy rain brought flooding to the rivers of Arkansas in early March. A few rivers had continued flooding from the prior month.
• Flooding in Illinois, March 1 to 16, 20237 eventsMost of the Ohio, Wabash, Little Wabash, and Big Muddy Rivers rose above flood stage early in the month. The flooding was all minor, consisting mostly of fields and woodlands in the low bottomlands. Some flood-prone secondary roads along the rivers were flooded.
• Flood in Wisconsin, March 1 to 8, 20231 eventThe Fox River near New Munster in Kenosha County reached minor flood stage after |1.5-2.0 inches of rain fell on a melting, shallow snowpack and frozen ground.
• Flash Flood and Winter Storm in California, March 1 to 2, 20231 death · 1 injured · $933,000 · 22 eventsAfter one powerful storm struck Southern California in late February, a second storm arrived at the end of February and into early March.
• Flooding and Winter Weather in California, March 1, 2023$9,000 · 10 eventsShowers continued across the area during the morning of March 1 behind the storm which had brought rain and snow to the area during the previous two days.
• Flood and Hail in Kentucky, March 1, 2023$70,000 · 1 in hail · 4 eventsIsolated severe thunderstorms developed over western Kentucky, along and just ahead of a southeastward moving cold front. The storms formed on the northern edge of a region of strong wind shear and weak to moderate instability.
• Flooding and Heavy Snow in Arizona, March 1 to 2, 2023$1,000 · 6 eventsA strong late season winter storm moved across the Desert Southwest during the afternoon and evening on the 1st, lasting through the early morning hours on the 2nd. Strong winds were observed out ahead of an associated cold front with gusts in excess of 40 mph observed.
• Flash Flooding and Hail in Oklahoma, March 2 to 3, 2023$120,000 · 1.75 in hail · 8 eventsStrong to severe thunderstorms developed across portions of eastern Oklahoma during the midday hours of the 2nd, north of a warm front that stretched across far northern Texas.
• Flash Flood and Flooding in Missouri, March 3 to 4, 202346 eventsShowers and thunderstorms developed over northwest Arkansas during the late morning of the 2nd and moved northeastward while expanding in coverage and intensity during the afternoon and evening as a strong upper level trough moved northeastward from west Texas toward the…
• Flood and Damaging Winds in North Carolina, March 3 to 4, 2023$1,000 · 50 kt wind · 4 eventsA strong cold front passed through the region on March 3rd, 2023 and resulted in a line of storms that produced damaging wind gusts across northwest North Carolina.
• Flash Flooding and Flooding in Missouri, March 3 to 5, 2023$41,000 · 50 kt wind · 17 eventsA strong storm system led to significant impacts. Heavy rainfall amounts of 3 to 4.5 inches produced flash flooding of a few creeks and roads. Small rivers such as the Black, Current, and St. Francis experienced minor flooding.
• Flash Flooding and Flooding in Illinois, March 3 to 5, 2023$259,000 · 61 kt wind · 26 eventsA strong storm system led to significant impacts. Heavy rainfall amounts of 3 to 4.5 inches produced sporadic flash flooding with a few road closures. Creeks and small rivers such as the Skillet Fork rose above flood stage.
• Flood and Damaging Winds in Indiana, March 3, 20232 deaths · 2 injured · $61,000 · 52 kt wind · 7 eventsA record breaking low pressure system impacted Indiana on March 3rd initially bringing rain and strong to damaging gradient winds to the area.
• Flash Flood and High Wind in Arkansas, March 3, 202352 kt wind · 4 eventsA powerful cold front raced across the Mid-South during the morning hours of March 3, 2023. Strong winds ahead of the front caused scattered damage across northeast Mississippi.
• Flash Flood and High Wind in Tennessee, March 3, 2023$529,000 · 57 kt wind · 22 eventsA powerful cold front raced across the Mid-South during the morning hours of March 3, 2023. Strong winds ahead of the front caused scattered damage across northeast Mississippi.
• Flood in Oklahoma, March 3 to 5, 20231 eventThunderstorms developed across southeastern Oklahoma during the midday hours of the 2nd, north of a warm front over Texas.
• Flooding in Indiana, March 3, 20238 eventsShowers and scattered thunderstorms developed during the afternoon hours ahead of a strong low pressure system moving through the Ohio Valley.
• Debris Flow and Damaging Winds in Virginia, March 3, 2023$19,000 · 55 kt wind · 7 eventsA strong cold front passed through the region on March 3rd, 2023 and resulted in a line of storms that produced damaging wind gusts across southern Virginia.
• Coastal Flood and Heavy Snow in Massachusetts, March 3 to 4, 2023$1,000 · 51 kt wind · 11 eventsLow pressure just south of the New England coast intensified early on March 4 and moved off the coast during the day. Heavy snow occurred in the higher terrain of northern and western MA, while mixed precipitation occurred elsewhere.
• Flooding in California, March 4 to 30, 2023$43 million · 2 eventsA series of atmospheric river systems impacted Interior Northern California through the month of March and produced substantial flooding and wind damage.
• Flooding in Arizona, March 4 to 31, 20231 death · $65,000 · 11 eventsAnomalous snowfall across the high terrain of Arizona as well as lower elevation rainfall led to greater than normal runoff into the Salt and Verde watersheds.
• Flood and Heavy Snow in California, March 4 to 5, 2023$8,000 · 8 eventsAn upper trough moved eastward across central California on March 4 and March 5. This system produced snow at elevations down to 2000 feet with some higher elevation SNOTELS north of Kings Canyon picking up between a foot and 2 feet of new snowfall.
• Flooding in Indiana, March 5 to 16, 20234 eventsThe Ohio, Wabash, and Patoka Rivers rose above flood stage early in the month. The flooding was all minor, consisting mostly of fields and woodlands in the low bottomlands. Some flood-prone secondary roads along the rivers were flooded.
• Flood in Indiana, March 6, 20231 death · 1 eventOne to two inches of rain fell across the Upper Wabash River basin on March 3rd, causing the Wabash River to rise well into minor flood stage on the 5th and 6th of March.
• Flooding in Missouri, March 8, 20234 eventsAn upper level disturbance interacted with moisture overriding a stalled front over Arkansas to produce showers and a few thunderstorms over the area from the afternoon of the 7th to the early morning of the 8th.
• Flash Flooding and Flood in Texas, March 8 to 9, 20231.75 in hail · 9 eventsScattered strong to severe thunderstorms produced a few reports of large hail and flash flooding across portions of the Big Country.
• Flash Flooding and Flooding in Texas, March 9, 2023$215,000 · 1 in hail · 11 eventsA slow moving cold front produced training thunderstorms across parts of the region, some of which produced flash flooding in Grayson County. One severe storm also occurred in the Waco area of Central Texas.
• Debris Flows and Avalanche in Nevada, March 9 to 12, 202371 kt wind · 20 eventsStrong, even damaging west-southwest winds increased travel hazards especially to high profile trucks but also increased the danger for destructive avalanches across the region. Snow started at all elevations Thursday evening with snow levels rapidly rising Friday morning.
• Flooding and Heavy Snow in California, March 9 to 12, 202389 kt wind · 18 eventsStrong, even damaging west-southwest winds increased travel hazards especially to high profile trucks but also increased the danger for destructive avalanches across the region. Snow started at all elevations Thursday evening with snow levels rapidly rising Friday morning.
• Flooding and Heavy Snow in Nevada, March 9 to 22, 2023$13 million · 66 kt wind · 37 eventsAn AR event brought high winds and snow transitioning to rain, resulting in some snowmelt and extensive flooding in the area of Eureka, NV. An estimated $7 Million in damages occurred with the flooding.
• Flash Flooding and Flooding in California, March 9 to 10, 2023$6,000 · 110 eventsA large upper trough off the Pacific Northwest coast pulled up a deep moisture fetch from the Pacific Ocean which spread inland into central California on March 9 and 10.
• Flash Flooding and High Wind in California, March 9 to 10, 202359 kt wind · 13 eventsA second winter storm impacted Southwestern California. The heaviest rainfall impacted San Luis Obispo and Santa Barbara counties where rainfall totals ranged from 2 to 4 inches across the coast with 5 to 10 inches across the foothills and mountains.
• Flooding and High Wind in California, March 9 to 14, 20231 death · 2 injured · $90 · 75 kt wind · 14 eventsSub-tropical jet stream aided in advecting sub-tropical moisture plume from over the Central Pacific into the California Coast starting March 9th through the 11th.
• Flood and High Wind in Nevada, March 10 to 11, 2023$1,000 · 72 kt wind · 2 eventsResidual effects of the atmospheric river that slammed into California brought isolated flooding and high winds to southern Nevada.
• Flood in Utah, March 11 to 15, 20232 deaths · 1 injured · 1 eventMoving into the middle portion of March, the combination of ongoing snowmelt along with an atmospheric river resulted in flooding through the popular Buckskin Gulch trail. This flood resulted in numerous rescues, as well as fatalities.
• Flash Flood and Flooding in California, March 11 to 12, 2023$33,000 · 1 in hail · 34 eventsFollowing the departure of the warm and moist storm which produced widespread flooding across the area on March 9 and 10, another moist system moved through central California on March 11 and 12.
• Flash Flood in Arizona, March 11, 20231 eventA robust moisture plume from an atmospheric river event moved across the region. The available moisture in combination with orographic lift resulted in the development of a couple of thunderstorms across the foothills to the north and east of Phoenix during the afternoon hours.
• Flash Flood in Tennessee, March 11, 20231 eventRain showers began to develop and increase in coverage late on March 11, 2023. While these showers were non-severe and heavy rainfall was only local in nature, training of these showers in Lawrence County resulted in brief flooding of low water crossings.
• Flash Flooding and Debris Flow in Utah, March 13 to 16, 20232 deaths · 1 injured · $71,000 · 58 kt wind · 21 eventsAnother winter storm brought gusty winds and accumulating snow to much of Utah in the middle of March. Precipitation combined with snowmelt also resulted in flooding, mostly in southern Utah, including noted fatalities in a popular slot canyon.
• Coastal Flood in Virginia, March 13, 20231 eventThe combination of light east and southeast winds in the mid to upper Chesapeake Bay and continued long period swell was allowing water to become trapped in the bay. In addition, tidal anomalies were a bit above +2.0 ft in these areas.
• Coastal Flood in Maryland, March 13, 20232 eventsThe combination of light east and southeast winds in the mid to upper Chesapeake Bay and continued long period swell was allowing water to become trapped in the bay. In addition, tidal anomalies were a bit above +2.0 ft in these areas.
• Coastal Flood in Maryland, March 13, 20231 eventElevated water levels due to onshore flow caused moderate coastal flooding at Straits Point.
• Coastal Flood in Maryland, March 13, 20231 eventModerate onshore flow resulted in moderate coastal flooding at Straits Point MD early on Mar 12.
• Flash Flooding and Flooding in Nevada, March 14 to 16, 2023$148,000 · 11 eventsAnother atmospheric river pounded the Desert Southwest, bringing heavy mountain snow and lower elevation flooding to southern Nevada.
• Flash Flooding and Avalanche in California, March 14 to 16, 2023$60,000 · 11 eventsAnother atmospheric river pounded California with heavy snow, flooding rains, and strong to severe thunderstorms.
• Flooding and High Wind in Nevada, March 14 to 16, 2023$30,000 · 56 kt wind · 17 eventsAnother in a series of AR events brought valley rain, mountain snow, and high winds. Due to the valley rain, some snowmelt occurred leading to localized flooding.
• Flooding and Heavy Snow in California, March 14 to 18, 2023$1,000 · 70 kt wind · 18 eventsFollowing the recent events which produced widespread flooding across the central California Interior, another atmospheric river plunged through the region on March 14 and 15 producing heavy precipitation, flooding and strong winds with several stations measuring gusts exceeding…
• Flood in Colorado, March 14 to 15, 20231 eventHeavy rain on snow resulted in rapid runoff across portions of southwest Colorado. This led to flooding in portions of Montezuma County when the combination of snowmelt and rain led to the failure of a culvert. Portions of Highway 184 closed due to the flooding.
• Flash Flooding and Debris Flows in California, March 14 to 15, 2023$40,000 · 19 eventsA strong atmospheric river produced widespread moderate to heavy rainfall across Southern California March 14-15. Rain amounts of 1 to 3 inches were observed across the coastal basin, with heavier amounts up to 4 inches reported in the mountains.
• Flooding in Arizona, March 15 to 18, 20236 eventsA trough of low pressure moving eastward across California brought a plume of deep moisture to Arizona as well. The synoptic-scale ascent from the trough combined with the moisture allowed for periods of heavy rain over Arizona March 15 and 16.
• Flash Flooding and Flooding in Arizona, March 15, 2023$117,000 · 0.75 in hail · 13 eventsAnother atmospheric river pounded the Desert Southwest, bringing flooding and strong to severe thunderstorms to northwest Arizona.
• Flash Flood in Utah, March 15, 20231 eventAnother system in an active period resulted in periods of moderate to heavy rainfall across southern Utah, resulting in isolated flash flooding.
• Flash Flood and Flooding in Puerto Rico, March 15, 2023$13,000 · 3 eventsHigher than normal moisture content combined with a southeasterly wind flow produced showers and thunderstorms from the streamer that developed from the El Yunque area into the San Juan metro area.
• Flash Flooding and Flooding in Arizona, March 15 to 16, 202352 kt wind · 8 eventsAn area of low pressure moving across the western states resulted in waves of rainfall across the region during the day on the 15th.
• Flood in South Dakota, March 16, 20231 eventSnowmelt during mid March resulted in rises on some small streams and creeks across the region. Some of these rises pushed toward or into minor flood stage for a short period, but overall impacts were limited mainly to agricultural land.
• Flood in California, March 16 to 22, 20231 eventThe Merced River at Stevinson exceeded it's flood stage at 71 feet due to controlled dam releases on March 16 and remained above flood stage until March 22 when it finally dropped below 71 feet.
• Flash Flood in Arkansas, March 16, 20231 eventA strong storm system moved across Arkansas late in the day on the 16th bringing heavy rainfall to western and southwestern Arkansas.
• Flooding in Nevada, March 17, 2023$50,000 · 2 eventsA mix of runoff from the storm two days earlier, melting snow, and reservoir releases caused flooding of the Meadow Valley Wash.
• Flooding in California, March 17 to 18, 2023$101,000 · 2 eventsA mix of runoff from the storm two days earlier, melting snow, and reservoir releases caused flooding in the Owens Valley.
• Flooding and Heavy Snow in California, March 19 to 31, 2023$10,000 · 1 in hail · 10 eventsWarm and wet system brought periods of heavy rain with flooding. Snow levels were high, with 1 to 2 feet of snow accumulating above 6,500 feet, locally more on higher peaks.

Every billion-dollar disasterEvery storm of 2022Tornadoes in 2022

NOAA NCEI, U.S. Billion-Dollar Weather and Climate Disasters (2025), https://doi.org/10.25921/stkw-7w73, and the Storm Events Database for the episodes.