Washington, 2012Heavy Snow and Winter Weather in Washington, March 21 to 22, 2012
March 21 to 22, 2012 · NWS OTX · 2 events in 2 counties and zones
Colder in place met up with a moist warm front during the afternoon of March 21st that stretched into the overnight hours. The heaviest snowfall in the Spokane Area of four inches and even more locally occurred above 2,000 feet.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 1
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
Colder in place met up with a moist warm front during the afternoon of March 21st that stretched into the overnight hours. The heaviest snowfall in the Spokane Area of four inches and even more locally occurred above 2,000 feet. The Spokane metro area, where most of the impacts occurred in the form of traffic accidents, received a wet and slushy two to three inches. The wet consistency of the snow on roadways made for a messy morning commute on the 22nd. Further north in the mountains of northeast Washington, colder temperatures resulted in more widespread heavy snowfall accumulations in the valleys with numerous reports of four to five inches of snowfall across these valleys, especially in Pend Oreille County.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Spokane, WA wrote its last area forecast discussion before the first event at Mar 21, 1:39 PM PST, 1 hour 21 minutes earlier.
Area forecast discussion, Mar 21, 1:39 PM PST, 1 hour 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
239 PM PDT Wed Mar 21 2012
.SYNOPSIS...
After a moist winter-like storm system passes through tonight and
Thursday morning...a general drying trend with a few mountain
showers will overtake the region through the weekend with
temperatures remaining only slightly below normal. A more active
weather pattern featuring mostly valley rain and mountain snow
will return early next week.
&&
.DISCUSSION...
Tonight...On satellite this afternoon a clearly apparent feed of
deep sub-tropical moisture is visible streaming into the forecast
area from the southwest. A deep and cold Gulf of Alaska trough is
digging into this fetch causing the genesis of a baroclinic leaf
cloud structure just off the Oregon coast. the 12z NAM and GFS
adequately capture this incipient frontal complex...and this will
be the dominant player in the regional weather through the next 12
to 18 hours. Regional radar and observations indicate a stalled
frontal boundary laying across the Palouse and into the Idaho
Panhandle for the entire day today (and in the process producing
heavy accumulations of wet snow from Pullman eastward) is
beginning to respond to the upstream wave genesis by creeping
northward. Observations at Lewiston hint at a warm front on the
doorstep...and models as well as extrapolation suggest this
stalled front will indeed become a northward moving warm front
apparent by early this evening.
For the Palouse and points south this suggests an end to
accumulating snow this evening as snow turns to rain with the warm
front passage...but the snow level will only rise to around 4000
feet or so which should allow the Idaho Panhandle mountains to
continue to rack up an impressive tally of accumulations through
the next 24 hours...while the valleys of the panhandle may see a
change over to non-accumulating wet snow or even rain in the more
southern valleys.
North of the Palouse a general deteriorating trend is expected
tonight as the warm front crawls north...but not far enough north
to allow a change-over from an initial onset of snow for most
locations north of Interstate 90. Both the Nam and GFS suggest the
warm front will stall once again late tonight before the trailing
cold front pushes through around dawn Thursday. This will put the
Spokane/CD'A area right in or near the triple point of the frontal
complex overnight...with high confidence of a sustained round of
precipitation through much of the night and into Thursday morning.
Current Temp/Dew point spreads and the nocturnal transit time
strongly suggest snow will be the dominant precipitation
type...with a possibility of rain in the lowest elevations below
2000 feet near the Spokane River. The time of year and character
of the event (warm front with dew points right around 32-33
degrees) suggest a very elevation dependent event. Best guess at
this time is up to 1 inch on grassy surfaces below 2000 feet
tonight...but the potential for a few inches by dawn on the hills
and benches overlooking the valley. Thus...a Winter Weather
advisory will be issued.
North of the Spokane/CD'A area mostly snow is likely...and
assuming a 10:1 OR 12:1 late season ratio with an all night
residence time for the precipitation...snow amount calculations
yield the necessity for a Winter Weather Advisory for the
Northeast Washington Mountains and a Winter Storm Warning for the
North Idaho Panhandle. Over the remainder of the forecast
area...west of a line from roughly Colville to Moses Lake...the
margin of the deep moisture feed will promote a general 1 to 2
inches of snow north of I-90...with a bit more in the
mountains...and light rain south. /Fugazzi
Thursday through Saturday: The long-wave trough dominating the
northeast Pacific migrates south, with the primary circulation
(currently in the Gulf of Alaska) cutting off to sit just west of
the California coast by the weekend. The Inland Northwest will
remain in a south to southwest steering flow. Short-wave
disturbances rounding the east side of the long-wave trough will
continue to track across our region and keep some threat of
precipitation alive. However beyond Thursday the best threat for
precipitation will shift toward the periphery of the CWA.
Thursday one disturbance (which was near 130W, off the Oregon
Coast Wednesday evening) moves through the Cascades early in the
day and tracks through the Panhandle by afternoon. That
disturbance, in tandem with a surface low and frontal boundary
situated near the ID/MT border, will work with the persistent
moisture plume to keep precipitation chances high across the
eastern third of Washington and Idaho in the morning. PWATs are
between 130-150% of normal early on, then drop to about 50-80% of
normal as the synoptic features shift east. Thus precipitation
is expected to decrease toward midday to early afternoon. The
primary threat retreats to the eastern mountain zones and far
southeast Washington thanks to up-sloping, higher moisture and the
tail end of the front lingering here. An up-slope flow will also
keep chances going across the Cascades through the day.
As for precipitation type, snow is expected be predominate
Thursday morning. With the area residing primarily on the backside
of the front, 850mb temperatures are expected to be between -1 to
-6 C. By afternoon, areas on the warmer half of that 850mb
temperature range cool about 3 degrees. The main area that may see
a rain-snow mix appears would be from the Camas Prairie to
southeast Shoshone county, laying on the milder side of the front.
Valleys that see snow could pick up another inch or two, while
mountains areas could see up to five inches.
By Thursday afternoon, daytime heating in the surface-900mb layer
will push the average snow level up to near 2-2.5kft. The
exception will be over the far southeast CWA where the levels
should lower to between 2.5-3kft. Thus main snow accumulations
will retreat to the mountains and anything that might fall
elsewhere will be as rain or a non-accumulating mix.
Ongoing winter highlights should begin to fall off toward midday,
save for those around the Panhandle Mountains which will linger
longer. Radar and satellite trends will be monitored on Thursday
to determine precise timing.
From Thursday night to Friday Night two other disturbances cross
the region and a third disturbance comes up Saturday, while a
diffuse boundary lingers across the southeast CWA. PWATs rebound to
between 90-110% or normal in the southeast Thursday night and over
the remainder of the CWA Friday. Tack on the entrance of weak
instability, this will continue or renew the threat of
precipitation. The primary threat will remain over the southeast
and over the Cascades. However areas away from the lee of the
Cascades and deeper basin will have at least a slight chance of
showers, especially during the afternoon hours when lapse rates
become more unstable.
A slow warming trend is projected through the period, with all
guidance indicating an upward trend in 850mb temperatures and the
core of the upper trough shifting away. This will support
temperatures approaching seasonal averages, or a degree or two
under, by Saturday. Snow levels will expected to be near valley
floors at night and during early morning hours. They are then
expected to rise to between 3-4.5kft Friday afternoon and between
3.5-5.5kft Saturday afternoon. The lower end of the range will be
toward the Cascades and Canadian border and the highest toward the
southeast. /J. Cote'
Saturday night through Wednesday...A large closed low off the
Northern California Coast Saturday night will move inland Sunday
night into Monday. Models continue to show this low tracking south
and east of the area but an increase chance for showers will occur
especially over Southeast Washington into the Idaho Panhandle
given closer proximity to the low. A brief break is expected on
Tuesday before another deep low becomes established in the Gulf of
Alaska. This will usher in a strong Pacific Jet into the Inland
Northwest for the middle and end of next week likely bringing wet
conditions to the Inland Northwest. Snow levels through the middle
of next week should remain high enough for mainly rain in the
lower elevations with snow confined to the mountains. Temperatures
are expected to be near normal during the extended period. JW
&&
.AVIATION...
18Z TAFS: The stalled frontal boundary extending over Southeast
Washington and the Idaho Panhandle will only slightly move
northward today...promoting continued IFR ceilings and
visibilities in snow at KPUW and MVFR conditions at KLWS. The KGEG
vicinity TAF sites will be on the northern edge of the
precipitation shield today with occasional low MVFR or IFR
ceilings in light snow. For KEAT and KMWH VFR conditions will
probably continue through 00Z Thursday. After 00Z the stalled
front will move north as a warm front. This will likely bring
improving conditions and a tapering off of precipitation at KPUW
and KLWS...but cause dramatically deteriorating conditions at
KGEG/KSFF/KCOE and the KEAT and KMWH TAF sites in snow or
rain/snow mix with low MVFR or IFR conditions likely. /MJF
&&
.PRELIMINARY POINT TEMPS/POPS...
Spokane 34 40 27 46 31 50 / 100 70 20 20 10 20
Coeur d'Alene 34 40 27 46 30 50 / 100 80 20 20 10 20
Pullman 35 40 30 46 32 49 / 70 80 30 20 10 30
Lewiston 36 46 35 52 38 56 / 60 60 40 20 10 20
Colville 34 46 28 51 30 53 / 80 70 10 20 10 20
Sandpoint 33 40 25 44 29 46 / 100 90 20 20 10 20
Kellogg 34 38 25 45 30 47 / 100 100 30 20 10 30
Moses Lake 34 51 29 53 34 58 / 70 20 10 10 10 10
Wenatchee 34 49 30 52 33 55 / 60 20 10 10 10 10
Omak 33 50 29 52 31 55 / 70 30 10 10 10 10
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
ID...Winter Weather Advisory from 11 PM this evening to 10 AM PDT
Thursday for Coeur d'Alene Area.
Winter Storm Warning until 5 PM PDT Thursday for Central
Panhandle Mountains.
Winter Storm Warning from 6 PM this evening to 11 AM PDT
Thursday for Northern Panhandle.
WA...Winter Weather Advisory from 11 PM this evening to 10 AM PDT
Thursday for Spokane Area.
Winter Weather Advisory from 11 PM this evening to 10 AM PDT
Thursday for Northeast Mountains.
&&Hazardous weather outlook, Mar 21, 5:03 AM PST, 9 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
603 AM PDT WED MAR 21 2012
IDZ002-026-WAZ032-034>036-038-041>044-221315-
COEUR D'ALENE AREA-LEWISTON AREA-
LOWER GARFIELD AND ASOTIN COUNTIES-MOSES LAKE AREA-
UPPER COLUMBIA BASIN-SPOKANE AREA-OKANOGAN HIGHLANDS-
WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
WATERVILLE PLATEAU-
603 AM PDT WED MAR 21 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...
NORTH CENTRAL IDAHO...CENTRAL WASHINGTON...EAST CENTRAL
WASHINGTON...NORTH CENTRAL WASHINGTON...NORTHEAST WASHINGTON AND
SOUTHEAST WASHINGTON.
.DAY ONE...TODAY AND TONIGHT
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
IDZ003-027-WAZ031-033-221315-
IDAHO PALOUSE-LEWIS AND SOUTHERN NEZ PERCE COUNTIES-
NORTHEAST BLUE MOUNTAINS-WASHINGTON PALOUSE-
603 AM PDT WED MAR 21 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...
NORTH CENTRAL IDAHO AND SOUTHEAST WASHINGTON.
.DAY ONE...TODAY AND TONIGHT
A STORM SYSTEM WILL MOVE NORTH THROUGH THE REGION TODAY AND
TONIGHT AND RESULT IN AREAS OF MODERATE SNOW ACROSS THE LOWER
ELEVATIONS BEFORE TURNING OVER TO RAIN THIS AFTERNOON AND TONIGHT.
ACROSS THE HIGHER ELEVATIONS EXPECT MAINLY SNOW WITH MODERATE TO
HEAVY ACCUMULATIONS THROUGH THIS EVENING.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
ANOTHER STORM SYSTEM WILL MOVE THROUGH THE REGION ON THURSDAY AND
BRING ANOTHER GOOD SHOT OF RAIN AND SNOW. CONDITIONS BEGIN TO
IMPROVE ON FRIDAY AND INTO THE WEEKEND.
IDZ001-004-WAZ037-221315-
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
NORTHEAST MOUNTAINS-
603 AM PDT WED MAR 21 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO AND
NORTHEAST WASHINGTON.
.DAY ONE...TODAY AND TONIGHT
ANOTHER STORM SYSTEM WILL MOVE THROUGH THE REGION ON THURSDAY AND
BRING ANOTHER GOOD SHOT OF RAIN AND SNOW. CONDITIONS BEGIN TO
IMPROVE ON FRIDAY AND INTO THE WEEKEND.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
A SERIES OF STORMS MAY WILL CONTINUE TO BRING RAIN AND SNOW
ACCUMULATIONS TO THE AREA WEDNESDAY AND THURSDAY.
In the hours before
Local storm report, Mar 21, 9:34 AM PST, 5 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SPOKANE WA
1034 AM PDT WED MAR 21 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1200 AM HEAVY SNOW 6 WNW DIAMOND LAKE 48.17N 117.31W
03/21/2012 M3.7 INCH PEND OREILLE WA CO-OP OBSERVER
0600 AM SNOW 13 NE SANDPOINT 48.38N 116.31W
03/21/2012 M2.7 INCH BONNER ID TRAINED SPOTTER
COCORAHS ID-BR-8
0630 AM SNOW 1 NW PLAIN 47.77N 120.66W
03/21/2012 M3.3 INCH CHELAN WA TRAINED SPOTTER
COCORAHS WA-CH-35
0630 AM SNOW 3 WNW ALENE 47.71N 116.84W
03/21/2012 M1.0 INCH KOOTENAI ID TRAINED SPOTTER
COCORAHS ID-KT-8
0700 AM SNOW 3 SSW PALOUSE 46.87N 117.09W
03/21/2012 M2.7 INCH WHITMAN WA TRAINED SPOTTER
COCORAHS WA-WM-5
0700 AM SNOW 12 N LEAVENWORTH 47.77N 120.66W
03/21/2012 M3.0 INCH CHELAN WA TRAINED SPOTTER
COCORAHS WA-CH-33
0700 AM HEAVY SNOW 1 E MOSCOW 46.73N 116.97W
03/21/2012 M4.6 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-7
0700 AM HEAVY SNOW 1 SW MOSCOW 46.72N 117.02W
03/21/2012 M5.5 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-3
0700 AM HEAVY SNOW 2 N MOSCOW 46.75N 117.00W
03/21/2012 M9.0 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-1
0700 AM HEAVY RAIN W NEWPORT 48.18N 117.06W
03/21/2012 M0.50 INCH PEND OREILLE WA TRAINED SPOTTER
COCORAHS WA-PO-4
0700 AM SNOW 4 WNW WINTHROP 48.49N 120.25W
03/21/2012 M2.5 INCH OKANOGAN WA TRAINED SPOTTER
COCORAHS WA-OK-11
0900 AM HEAVY SNOW 14 SW ASOTIN 46.20N 117.25W
03/21/2012 M6.0 INCH ASOTIN WA CO-OP OBSERVER
0900 AM HEAVY SNOW PULLMAN 46.73N 117.16W
03/21/2012 M3.5 INCH WHITMAN WA CO-OP OBSERVER
0900 AM HEAVY SNOW MULLAN 47.47N 115.79W
03/21/2012 M5.0 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY SNOW 5 NW PLAIN 47.81N 120.72W
03/21/2012 M5.0 INCH CHELAN WA CO-OP OBSERVER
0900 AM SNOW 3 ESE PRICHARD 47.64N 115.91W
03/21/2012 M1.5 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY RAIN POMEROY 46.47N 117.60W
03/21/2012 M0.98 INCH GARFIELD WA CO-OP OBSERVER
0900 AM SNOW PLUMMER 47.33N 116.88W
03/21/2012 M1.6 INCH BENEWAH ID CO-OP OBSERVER
0900 AM HEAVY RAIN SANDPOINT 48.28N 116.56W
03/21/2012 M0.42 INCH BONNER ID CO-OP OBSERVER
0900 AM HEAVY RAIN STEHEKIN 48.31N 120.65W
03/21/2012 M0.29 INCH CHELAN WA CO-OP OBSERVER
0900 AM HEAVY RAIN 14 SW ASOTIN 46.20N 117.25W
03/21/2012 M0.60 INCH ASOTIN WA CO-OP OBSERVER
0900 AM HEAVY RAIN 9 N PRIEST RIVER 48.32N 116.91W
03/21/2012 M0.41 INCH BONNER ID CO-OP OBSERVER
0900 AM HEAVY RAIN PULLMAN 46.73N 117.16W
03/21/2012 M0.72 INCH WHITMAN WA CO-OP OBSERVER
0900 AM HEAVY RAIN ST. MARIES 47.31N 116.57W
03/21/2012 M0.50 INCH BENEWAH ID CO-OP OBSERVER
0.3 INCHES OF SNOW.
0900 AM HEAVY RAIN MULLAN 47.47N 115.79W
03/21/2012 M0.60 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM SNOW 1 W PULLMAN 46.73N 117.19W
03/21/2012 E2.5 INCH WHITMAN WA TRAINED SPOTTER
DUSTING OF SNOW AM, THEN RAIN ON 3/20.
0900 AM HEAVY RAIN 6 NW DIAMOND LAKE 48.17N 117.31W
03/21/2012 M0.39 INCH PEND OREILLE WA CO-OP OBSERVER
0900 AM HEAVY RAIN PLUMMER 47.33N 116.88W
03/21/2012 M0.32 INCH BENEWAH ID CO-OP OBSERVER
0900 AM HEAVY RAIN 3 ESE PRICHARD 47.64N 115.91W
03/21/2012 M0.43 INCH SHOSHONE ID CO-OP OBSERVER
1000 AM HEAVY SNOW 5 E TROY 46.74N 116.67W
03/21/2012 M5.5 INCH LATAH ID TRAINED SPOTTER
STILL SNOWING
1000 AM SNOW 1 SSW MOSCOW 46.72N 117.00W
03/21/2012 M2.5 INCH LATAH ID TRAINED SPOTTER
STILL SNOWING AND 35 DEGREES.
1000 AM HEAVY SNOW 2 E DEARY 46.80N 116.52W
03/21/2012 E10.5 INCH LATAH ID TRAINED SPOTTER
ADDITIONAL 5 INCHES OVERNIGHT. STILL SNOWING LIGHTLY.
1000 AM HEAVY SNOW SOUTHWICK 46.60N 116.47W
03/21/2012 E6.0 INCH NEZ PERCE ID PUBLIC
1000 AM HEAVY SNOW 3 SW HARVARD 46.90N 116.77W
03/21/2012 M5.0 INCH LATAH ID TRAINED SPOTTER
1000 AM HEAVY SNOW 2 S POTLATCH 46.89N 116.89W
03/21/2012 E6.0 INCH LATAH ID TRAINED SPOTTER
1000 AM HEAVY SNOW 4 SE SANTA 47.11N 116.38W
03/21/2012 E9.0 INCH BENEWAH ID TRAINED SPOTTER
FERNWOOD WEATHER STATION
&&
MATLocal storm report, Mar 21, 12:29 PM PST, 2 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SPOKANE WA
129 PM PDT WED MAR 21 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0600 AM SNOW 13 NE SANDPOINT 48.38N 116.31W
03/21/2012 M2.7 INCH BONNER ID TRAINED SPOTTER
COCORAHS ID-BR-8
0630 AM SNOW 1 NW PLAIN 47.77N 120.66W
03/21/2012 M3.3 INCH CHELAN WA TRAINED SPOTTER
COCORAHS WA-CH-35
0630 AM SNOW 3 WNW ALENE 47.71N 116.84W
03/21/2012 M1.0 INCH KOOTENAI ID TRAINED SPOTTER
COCORAHS ID-KT-8
0700 AM SNOW 3 SSW PALOUSE 46.87N 117.09W
03/21/2012 M2.7 INCH WHITMAN WA TRAINED SPOTTER
COCORAHS WA-WM-5
0700 AM HEAVY SNOW 1 E MOSCOW 46.73N 116.97W
03/21/2012 M4.6 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-7
0700 AM HEAVY SNOW 1 SW MOSCOW 46.72N 117.02W
03/21/2012 M5.5 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-3
0700 AM HEAVY SNOW 2 N MOSCOW 46.75N 117.00W
03/21/2012 M9.0 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-1
0700 AM HEAVY RAIN W NEWPORT 48.18N 117.06W
03/21/2012 M0.50 INCH PEND OREILLE WA TRAINED SPOTTER
COCORAHS WA-PO-4
0700 AM SNOW 4 WNW WINTHROP 48.49N 120.25W
03/21/2012 M2.5 INCH OKANOGAN WA TRAINED SPOTTER
COCORAHS WA-OK-11
0700 AM SNOW 12 N LEAVENWORTH 47.77N 120.66W
03/21/2012 M3.0 INCH CHELAN WA TRAINED SPOTTER
COCORAHS WA-CH-33
0900 AM SNOW PLUMMER 47.33N 116.88W
03/21/2012 M1.6 INCH BENEWAH ID CO-OP OBSERVER
0900 AM HEAVY RAIN POMEROY 46.47N 117.60W
03/21/2012 M0.98 INCH GARFIELD WA CO-OP OBSERVER
0900 AM SNOW 3 ESE PRICHARD 47.64N 115.91W
03/21/2012 M1.5 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY SNOW 5 NW PLAIN 47.81N 120.72W
03/21/2012 M5.0 INCH CHELAN WA CO-OP OBSERVER
0900 AM HEAVY SNOW MULLAN 47.47N 115.79W
03/21/2012 M5.0 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY SNOW PULLMAN 46.73N 117.16W
03/21/2012 M3.5 INCH WHITMAN WA CO-OP OBSERVER
0900 AM HEAVY SNOW 14 SW ASOTIN 46.20N 117.25W
03/21/2012 M6.0 INCH ASOTIN WA CO-OP OBSERVER
0900 AM HEAVY RAIN 3 ESE PRICHARD 47.64N 115.91W
03/21/2012 M0.43 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY RAIN STEHEKIN 48.31N 120.65W
03/21/2012 M0.29 INCH CHELAN WA CO-OP OBSERVER
0900 AM HEAVY RAIN SANDPOINT 48.28N 116.56W
03/21/2012 M0.42 INCH BONNER ID CO-OP OBSERVER
0900 AM HEAVY RAIN 14 SW ASOTIN 46.20N 117.25W
03/21/2012 M0.60 INCH ASOTIN WA CO-OP OBSERVER
0900 AM HEAVY RAIN 9 N PRIEST RIVER 48.32N 116.91W
03/21/2012 M0.41 INCH BONNER ID CO-OP OBSERVER
0900 AM HEAVY RAIN PULLMAN 46.73N 117.16W
03/21/2012 M0.72 INCH WHITMAN WA CO-OP OBSERVER
0900 AM HEAVY RAIN ST. MARIES 47.31N 116.57W
03/21/2012 M0.50 INCH BENEWAH ID CO-OP OBSERVER
0.3 INCHES OF SNOW.
0900 AM HEAVY RAIN MULLAN 47.47N 115.79W
03/21/2012 M0.60 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM SNOW 1 W PULLMAN 46.73N 117.19W
03/21/2012 E2.5 INCH WHITMAN WA TRAINED SPOTTER
DUSTING OF SNOW AM, THEN RAIN ON 3/20.
0900 AM HEAVY RAIN 6 NW DIAMOND LAKE 48.17N 117.31W
03/21/2012 M0.39 INCH PEND OREILLE WA CO-OP OBSERVER
0900 AM HEAVY RAIN PLUMMER 47.33N 116.88W
03/21/2012 M0.32 INCH BENEWAH ID CO-OP OBSERVER
1000 AM HEAVY SNOW 4 SE SANTA 47.11N 116.38W
03/21/2012 E9.0 INCH BENEWAH ID TRAINED SPOTTER
FERNWOOD WEATHER STATION
1000 AM SNOW 1 SSW MOSCOW 46.72N 117.00W
03/21/2012 M2.5 INCH LATAH ID TRAINED SPOTTER
STILL SNOWING AND 35 DEGREES.
1000 AM HEAVY SNOW 5 E TROY 46.74N 116.67W
03/21/2012 M5.5 INCH LATAH ID TRAINED SPOTTER
STILL SNOWING
1000 AM HEAVY SNOW 2 E DEARY 46.80N 116.52W
03/21/2012 E10.5 INCH LATAH ID TRAINED SPOTTER
ADDITIONAL 5 INCHES OVERNIGHT. STILL SNOWING LIGHTLY.
1000 AM HEAVY SNOW SOUTHWICK 46.60N 116.47W
03/21/2012 E6.0 INCH NEZ PERCE ID PUBLIC
1000 AM HEAVY SNOW 2 S POTLATCH 46.89N 116.89W
03/21/2012 E6.0 INCH LATAH ID TRAINED SPOTTER
1200 PM HEAVY SNOW 3 SW HARVARD 46.90N 116.77W
03/21/2012 E7.0 INCH LATAH ID TRAINED SPOTTER
2 INCHES OF SNOW OVER THE PAST 4 HOURS.
0115 PM HEAVY SNOW 5 NNE MOSCOW 46.79N 116.96W
03/21/2012 E13.0 INCH LATAH ID TRAINED SPOTTER
9.5 INCHES OVERNIGHT AND 3.5 INCHES TODAY. STILL SNOWING.
&&
MATLocal storm report, Mar 21, 1:45 PM PST, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SPOKANE WA
245 PM PDT WED MAR 21 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0600 AM SNOW 13 NE SANDPOINT 48.38N 116.31W
03/21/2012 M2.7 INCH BONNER ID TRAINED SPOTTER
COCORAHS ID-BR-8
0630 AM SNOW 3 WNW ALENE 47.71N 116.84W
03/21/2012 M1.0 INCH KOOTENAI ID TRAINED SPOTTER
COCORAHS ID-KT-8
0630 AM SNOW 1 NW PLAIN 47.77N 120.66W
03/21/2012 M3.3 INCH CHELAN WA TRAINED SPOTTER
COCORAHS WA-CH-35
0700 AM SNOW PULLMAN 46.73N 117.16W
03/21/2012 E1.5 INCH WHITMAN WA LAW ENFORCEMENT
STILL SNOWING. MELTING ON ALL ROADS AND SIDEWALKS.
0700 AM SNOW 3 SSW PALOUSE 46.87N 117.09W
03/21/2012 M2.7 INCH WHITMAN WA TRAINED SPOTTER
COCORAHS WA-WM-5
0700 AM HEAVY RAIN W NEWPORT 48.18N 117.06W
03/21/2012 M0.50 INCH PEND OREILLE WA TRAINED SPOTTER
COCORAHS WA-PO-4
0700 AM SNOW 4 WNW WINTHROP 48.49N 120.25W
03/21/2012 M2.5 INCH OKANOGAN WA TRAINED SPOTTER
COCORAHS WA-OK-11
0700 AM HEAVY SNOW 2 N MOSCOW 46.75N 117.00W
03/21/2012 M9.0 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-1
0700 AM SNOW 1 E PALOUSE 46.91N 117.06W
03/21/2012 E3.0 INCH WHITMAN WA TRAINED SPOTTER
STILL SNOWING/RAINING. CLEAR PAVEMENT AND ACCUMULATION
ELSEWHERE.
0700 AM HEAVY SNOW 7 NNW POTLATCH 47.03N 116.94W
03/21/2012 E7.0 INCH LATAH ID PUBLIC
RELAY FROM SPOTTER WH33
0700 AM SNOW 12 N LEAVENWORTH 47.77N 120.66W
03/21/2012 M3.0 INCH CHELAN WA TRAINED SPOTTER
COCORAHS WA-CH-33
0700 AM HEAVY SNOW 1 E MOSCOW 46.73N 116.97W
03/21/2012 M4.6 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-7
0700 AM HEAVY SNOW 1 SW MOSCOW 46.72N 117.02W
03/21/2012 M5.5 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-3
0900 AM HEAVY RAIN MULLAN 47.47N 115.79W
03/21/2012 M0.60 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY RAIN PULLMAN 46.73N 117.16W
03/21/2012 M0.72 INCH WHITMAN WA CO-OP OBSERVER
0900 AM HEAVY RAIN 9 N PRIEST RIVER 48.32N 116.91W
03/21/2012 M0.41 INCH BONNER ID CO-OP OBSERVER
0900 AM HEAVY RAIN 14 SW ASOTIN 46.20N 117.25W
03/21/2012 M0.60 INCH ASOTIN WA CO-OP OBSERVER
0900 AM HEAVY RAIN SANDPOINT 48.28N 116.56W
03/21/2012 M0.42 INCH BONNER ID CO-OP OBSERVER
0900 AM HEAVY RAIN STEHEKIN 48.31N 120.65W
03/21/2012 M0.29 INCH CHELAN WA CO-OP OBSERVER
0900 AM HEAVY RAIN 3 ESE PRICHARD 47.64N 115.91W
03/21/2012 M0.43 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY SNOW 14 SW ASOTIN 46.20N 117.25W
03/21/2012 M6.0 INCH ASOTIN WA CO-OP OBSERVER
0900 AM HEAVY SNOW PULLMAN 46.73N 117.16W
03/21/2012 M3.5 INCH WHITMAN WA CO-OP OBSERVER
0900 AM HEAVY SNOW MULLAN 47.47N 115.79W
03/21/2012 M5.0 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY SNOW 5 NW PLAIN 47.81N 120.72W
03/21/2012 M5.0 INCH CHELAN WA CO-OP OBSERVER
0900 AM SNOW 3 ESE PRICHARD 47.64N 115.91W
03/21/2012 M1.5 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY RAIN POMEROY 46.47N 117.60W
03/21/2012 M0.98 INCH GARFIELD WA CO-OP OBSERVER
0900 AM SNOW PLUMMER 47.33N 116.88W
03/21/2012 M1.6 INCH BENEWAH ID CO-OP OBSERVER
0900 AM HEAVY RAIN ST. MARIES 47.31N 116.57W
03/21/2012 M0.50 INCH BENEWAH ID CO-OP OBSERVER
0.3 INCHES OF SNOW.
0900 AM HEAVY RAIN PLUMMER 47.33N 116.88W
03/21/2012 M0.32 INCH BENEWAH ID CO-OP OBSERVER
0900 AM HEAVY RAIN 6 NW DIAMOND LAKE 48.17N 117.31W
03/21/2012 M0.39 INCH PEND OREILLE WA CO-OP OBSERVER
0900 AM SNOW 1 W PULLMAN 46.73N 117.19W
03/21/2012 E2.5 INCH WHITMAN WA TRAINED SPOTTER
DUSTING OF SNOW AM, THEN RAIN ON 3/20.
1000 AM HEAVY SNOW 2 S POTLATCH 46.89N 116.89W
03/21/2012 E6.0 INCH LATAH ID TRAINED SPOTTER
1000 AM HEAVY SNOW 4 SE SANTA 47.11N 116.38W
03/21/2012 E9.0 INCH BENEWAH ID TRAINED SPOTTER
FERNWOOD WEATHER STATION
1000 AM SNOW 1 SSW MOSCOW 46.72N 117.00W
03/21/2012 M2.5 INCH LATAH ID TRAINED SPOTTER
STILL SNOWING AND 35 DEGREES.
1000 AM HEAVY SNOW 5 E TROY 46.74N 116.67W
03/21/2012 M5.5 INCH LATAH ID TRAINED SPOTTER
STILL SNOWING
1000 AM HEAVY SNOW 2 E DEARY 46.80N 116.52W
03/21/2012 E10.5 INCH LATAH ID TRAINED SPOTTER
ADDITIONAL 5 INCHES OVERNIGHT. STILL SNOWING LIGHTLY.
1000 AM HEAVY SNOW SOUTHWICK 46.60N 116.47W
03/21/2012 E6.0 INCH NEZ PERCE ID PUBLIC
1200 PM HEAVY SNOW 3 SW HARVARD 46.90N 116.77W
03/21/2012 E7.0 INCH LATAH ID TRAINED SPOTTER
2 INCHES OF SNOW OVER THE PAST 4 HOURS.
0115 PM HEAVY SNOW 4 W BEAUTY CREEK CAMPGR 47.60N 116.75W
03/21/2012 E5.0 INCH KOOTENAI ID TRAINED SPOTTER
0115 PM SNOW 1 SSE COLFAX 46.88N 117.36W
03/21/2012 E3.0 INCH WHITMAN WA TRAINED SPOTTER
1.5 INCHES OVERNIGHT, ADDITIONAL 1.5 INCHES TODAY ABOVE
TOWN. MELTING ON ROADWAYS IN TOWN.
0115 PM HEAVY SNOW 5 NNE MOSCOW 46.79N 116.96W
03/21/2012 E13.0 INCH LATAH ID TRAINED SPOTTER
9.5 INCHES OVERNIGHT AND 3.5 INCHES TODAY. STILL SNOWING.
0115 PM HEAVY SNOW FARMINGTON 47.09N 117.04W
03/21/2012 E4.0 INCH WHITMAN WA PUBLIC
RELAYED FROM COLFAX SPOTTER
0115 PM HEAVY SNOW 5 S TENSED 47.09N 116.92W
03/21/2012 E4.0 INCH BENEWAH ID PUBLIC
AT BENEWAH/LATAH COUNTY LINE ON US-95
0115 PM SNOW ALBION 46.79N 117.25W
03/21/2012 E0.5 INCH WHITMAN WA TRAINED SPOTTER
0115 PM SNOW 4 N COLTON 46.63N 117.14W
03/21/2012 E1.5 INCH WHITMAN WA TRAINED SPOTTER
0115 PM HEAVY SNOW TENSED 47.16N 116.92W
03/21/2012 E6.0 INCH BENEWAH ID PUBLIC
&&
MATLocal storm report, Mar 21, 1:58 PM PST, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SPOKANE WA
258 PM PDT WED MAR 21 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0600 AM SNOW 13 NE SANDPOINT 48.38N 116.31W
03/21/2012 M2.7 INCH BONNER ID TRAINED SPOTTER
COCORAHS ID-BR-8
0630 AM SNOW 1 NW PLAIN 47.77N 120.66W
03/21/2012 M3.3 INCH CHELAN WA TRAINED SPOTTER
COCORAHS WA-CH-35
0630 AM SNOW 3 WNW ALENE 47.71N 116.84W
03/21/2012 M1.0 INCH KOOTENAI ID TRAINED SPOTTER
COCORAHS ID-KT-8
0700 AM HEAVY SNOW AVERY 47.25N 115.80W
03/21/2012 M4.0 INCH SHOSHONE ID CO-OP OBSERVER
0700 AM HEAVY RAIN AVERY 47.25N 115.80W
03/21/2012 M0.91 INCH SHOSHONE ID CO-OP OBSERVER
0700 AM HEAVY SNOW 7 NNW POTLATCH 47.03N 116.94W
03/21/2012 E7.0 INCH LATAH ID PUBLIC
RELAY FROM SPOTTER WH33
0700 AM SNOW 1 E PALOUSE 46.91N 117.06W
03/21/2012 E3.0 INCH WHITMAN WA TRAINED SPOTTER
STILL SNOWING/RAINING. CLEAR PAVEMENT AND ACCUMULATION
ELSEWHERE.
0700 AM SNOW PULLMAN 46.73N 117.16W
03/21/2012 E1.5 INCH WHITMAN WA LAW ENFORCEMENT
STILL SNOWING. MELTING ON ALL ROADS AND SIDEWALKS.
0700 AM SNOW 3 SSW PALOUSE 46.87N 117.09W
03/21/2012 M2.7 INCH WHITMAN WA TRAINED SPOTTER
COCORAHS WA-WM-5
0700 AM HEAVY RAIN W NEWPORT 48.18N 117.06W
03/21/2012 M0.50 INCH PEND OREILLE WA TRAINED SPOTTER
COCORAHS WA-PO-4
0700 AM SNOW 4 WNW WINTHROP 48.49N 120.25W
03/21/2012 M2.5 INCH OKANOGAN WA TRAINED SPOTTER
COCORAHS WA-OK-11
0700 AM HEAVY SNOW 1 SW MOSCOW 46.72N 117.02W
03/21/2012 M5.5 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-3
0700 AM SNOW 12 N LEAVENWORTH 47.77N 120.66W
03/21/2012 M3.0 INCH CHELAN WA TRAINED SPOTTER
COCORAHS WA-CH-33
0700 AM HEAVY SNOW 1 E MOSCOW 46.73N 116.97W
03/21/2012 M4.6 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-7
0700 AM HEAVY SNOW 2 N MOSCOW 46.75N 117.00W
03/21/2012 M9.0 INCH LATAH ID TRAINED SPOTTER
COCORAHS ID-LT-1
0900 AM HEAVY RAIN ST. MARIES 47.31N 116.57W
03/21/2012 M0.50 INCH BENEWAH ID CO-OP OBSERVER
0.3 INCHES OF SNOW.
0900 AM SNOW PLUMMER 47.33N 116.88W
03/21/2012 M1.6 INCH BENEWAH ID CO-OP OBSERVER
0900 AM HEAVY RAIN POMEROY 46.47N 117.60W
03/21/2012 M0.98 INCH GARFIELD WA CO-OP OBSERVER
0900 AM SNOW 3 ESE PRICHARD 47.64N 115.91W
03/21/2012 M1.5 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY SNOW 5 NW PLAIN 47.81N 120.72W
03/21/2012 M5.0 INCH CHELAN WA CO-OP OBSERVER
0900 AM HEAVY SNOW MULLAN 47.47N 115.79W
03/21/2012 M5.0 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY SNOW PULLMAN 46.73N 117.16W
03/21/2012 M3.5 INCH WHITMAN WA CO-OP OBSERVER
0900 AM HEAVY SNOW 14 SW ASOTIN 46.20N 117.25W
03/21/2012 M6.0 INCH ASOTIN WA CO-OP OBSERVER
0900 AM HEAVY RAIN 3 ESE PRICHARD 47.64N 115.91W
03/21/2012 M0.43 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM HEAVY RAIN STEHEKIN 48.31N 120.65W
03/21/2012 M0.29 INCH CHELAN WA CO-OP OBSERVER
0900 AM HEAVY RAIN SANDPOINT 48.28N 116.56W
03/21/2012 M0.42 INCH BONNER ID CO-OP OBSERVER
0900 AM HEAVY RAIN 14 SW ASOTIN 46.20N 117.25W
03/21/2012 M0.60 INCH ASOTIN WA CO-OP OBSERVER
0900 AM HEAVY RAIN 9 N PRIEST RIVER 48.32N 116.91W
03/21/2012 M0.41 INCH BONNER ID CO-OP OBSERVER
0900 AM HEAVY RAIN PULLMAN 46.73N 117.16W
03/21/2012 M0.72 INCH WHITMAN WA CO-OP OBSERVER
0900 AM HEAVY RAIN MULLAN 47.47N 115.79W
03/21/2012 M0.60 INCH SHOSHONE ID CO-OP OBSERVER
0900 AM SNOW 1 W PULLMAN 46.73N 117.19W
03/21/2012 E2.5 INCH WHITMAN WA TRAINED SPOTTER
DUSTING OF SNOW AM, THEN RAIN ON 3/20.
0900 AM HEAVY RAIN 6 NW DIAMOND LAKE 48.17N 117.31W
03/21/2012 M0.39 INCH PEND OREILLE WA CO-OP OBSERVER
0900 AM HEAVY RAIN PLUMMER 47.33N 116.88W
03/21/2012 M0.32 INCH BENEWAH ID CO-OP OBSERVER
1000 AM HEAVY SNOW 4 SE SANTA 47.11N 116.38W
03/21/2012 E9.0 INCH BENEWAH ID TRAINED SPOTTER
FERNWOOD WEATHER STATION
1000 AM SNOW 1 SSW MOSCOW 46.72N 117.00W
03/21/2012 M2.5 INCH LATAH ID TRAINED SPOTTER
STILL SNOWING AND 35 DEGREES.
1000 AM HEAVY SNOW 2 S POTLATCH 46.89N 116.89W
03/21/2012 E6.0 INCH LATAH ID TRAINED SPOTTER
1000 AM HEAVY SNOW 2 E DEARY 46.80N 116.52W
03/21/2012 E10.5 INCH LATAH ID TRAINED SPOTTER
ADDITIONAL 5 INCHES OVERNIGHT. STILL SNOWING LIGHTLY.
1000 AM HEAVY SNOW 5 E TROY 46.74N 116.67W
03/21/2012 M5.5 INCH LATAH ID TRAINED SPOTTER
STILL SNOWING
1000 AM HEAVY SNOW SOUTHWICK 46.60N 116.47W
03/21/2012 E6.0 INCH NEZ PERCE ID PUBLIC
1200 PM HEAVY SNOW 3 SW HARVARD 46.90N 116.77W
03/21/2012 E7.0 INCH LATAH ID TRAINED SPOTTER
2 INCHES OF SNOW OVER THE PAST 4 HOURS.
0115 PM HEAVY SNOW 5 S TENSED 47.09N 116.92W
03/21/2012 E4.0 INCH BENEWAH ID PUBLIC
AT BENEWAH/LATAH COUNTY LINE ON US-95
0115 PM SNOW ALBION 46.79N 117.25W
03/21/2012 E0.5 INCH WHITMAN WA TRAINED SPOTTER
0115 PM SNOW 4 N COLTON 46.63N 117.14W
03/21/2012 E1.5 INCH WHITMAN WA TRAINED SPOTTER
0115 PM HEAVY SNOW TENSED 47.16N 116.92W
03/21/2012 E6.0 INCH BENEWAH ID PUBLIC
0115 PM HEAVY SNOW FARMINGTON 47.09N 117.04W
03/21/2012 E4.0 INCH WHITMAN WA PUBLIC
RELAYED FROM COLFAX SPOTTER
0115 PM HEAVY SNOW 4 W BEAUTY CREEK CAMPGR 47.60N 116.75W
03/21/2012 E5.0 INCH KOOTENAI ID TRAINED SPOTTER
0115 PM SNOW 1 SSE COLFAX 46.88N 117.36W
03/21/2012 E3.0 INCH WHITMAN WA TRAINED SPOTTER
1.5 INCHES OVERNIGHT, ADDITIONAL 1.5 INCHES TODAY ABOVE
TOWN. MELTING ON ROADWAYS IN TOWN.
0115 PM HEAVY SNOW 5 NNE MOSCOW 46.79N 116.96W
03/21/2012 E13.0 INCH LATAH ID TRAINED SPOTTER
9.5 INCHES OVERNIGHT AND 3.5 INCHES TODAY. STILL SNOWING.
0230 PM SNOW 1 NNW PULLMAN 46.75N 117.17W
03/21/2012 M3.3 INCH WHITMAN WA TRAINED SPOTTER
THIS AM. HAS BEEN, AND STILL IS, SNOWING STEADY. AT 33
DEGREES, THE NEW SNOW HAS COMPACTED THE MORNING SNOW TO
ABOUT 2.2 INCHES. SNOW ON THE ROADS AND SIDEWALKS HAS
MELTED.
&&
MATWinter Weather, Spokane Area
- When
- March 21, 3:00 PM PST to March 22, 8:00 AM PST
- Where
- Spokane Area forecast zone
- Injuries
- 0 direct, 1 indirect
- Reported by
- Broadcast Media
- Coordinates
- 47.599, -117.911 (the zone’s center; the record gives no point)
A semi-truck jackknifed on Salnave Road and struck a car passing in the opposite lane head on. The women driving the car was injured and transported to a nearby hospital; the driver of the semi-truck was not injured. Snow covered roadways caused numerous other accidents, including at Third Avenue and Maple Street, eastbound on Bigelow Gulch Road near Weile Avenue, westbound I-90 at Sprague Avenue and at Medical Lake, and eastbound I-90 at Broadway Avenue and at Barker Road.
Heavy Snow, Northeast Mountains
- When
- March 21, 10:00 PM PST to March 22, 9:00 AM PST
- Where
- Northeast Mountains forecast zone
- Reported by
- COOP Observer
- Coordinates
- 48.184, -117.511 (the zone’s center; the record gives no point)
Storm total valley snowfall accumulations varied between two to four inches in the north to four to seven inches further south.
- Winter Weather
- Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.
- Heavy Snow
- Snowfall reaching the local warning threshold without the other hazards of a winter storm.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Tornadoes and Flash Flooding in Mississippi, March 21 to 22, 2012$2.3 million · EF2 · 37 events
- Tornadoes and Flash Flooding in Louisiana, March 21 to 23, 2012$378,000 · EF1 · 14 events
- Tornadoes and Flash Flooding in Mississippi, March 21 to 22, 2012$128,000 · EF1 · 15 events
- Flooding in Arkansas, March 21 to 31, 2012$65,000 · 9 events
- Flash Flooding in West Virginia, March 21, 2012$50,000 · 2 events
- High Wind in Kansas, March 21, 2012$25,000 · 56 kt wind · 1 event
- Flash Flood and Damaging Winds in Louisiana, March 21, 2012$15,000 · 50 kt wind · 3 events
- Dense Fog in Virginia, March 21, 20128 events
- Hail in Oklahoma, March 21, 20121 in hail · 8 events
- Dense Fog in Maryland, March 21, 20124 events
- Extreme Cold in Alaska, March 21 to 23, 20124 events
- Flash Flooding and Damaging Wind in Mississippi, March 21 to 22, 2012$4,000 · 52 kt wind · 3 events
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 368111, 367846.