Alert archive / Arkansas / Flash Flood Warnings in 2018
Flash Flood Warning 31, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood warning at Feb 28, 2018, 5:35 PM CST for 5 counties in Arkansas. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 28, 2018, 5:35 PM CST (23:35 UTC)
- Expired
- Mar 1, 2018, 8:00 AM CST
- In force
- 14 hr
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lonoke County, AR, Monroe County, AR, Prairie County, AR, White County, AR, Woodruff County, AR
The radar
The Little Rock radar (KLZK), 68 km from the middle of the area, began a volume at 23:37 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Little Rock, AR (KBYH), launched 12:00Z, 11.6 hours before the alert went out and 144 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 257 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 438 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 224 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Little Rock, AR wrote its last area forecast discussion before this flash flood warning went out at Feb 28, 2:44 PM CST, 2 hours 51 minutes earlier.
Area forecast discussion, Feb 28, 2:44 PM CST, 2 hours 51 minutes before
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</html>Hazardous weather outlook, Feb 28, 3:52 PM CST, 1 hour 43 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Little Rock AR 352 PM CST Wed Feb 28 2018 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-012200- Boone-Marion-Baxter-Fulton-Sharp-Newton-Searcy-Stone-Izard- Independence-Johnson-Pope-Van Buren-Cleburne-Jackson-Logan-Conway- Faulkner-White-Woodruff-Scott-Yell-Perry-Polk-Montgomery-Garland- Saline-Pulaski-Lonoke-Prairie-Monroe-Pike-Clark-Hot Spring-Grant- Jefferson-Arkansas-Dallas-Cleveland-Lincoln-Desha-Ouachita- Calhoun-Bradley-Drew- 352 PM CST Wed Feb 28 2018 This Hazardous Weather Outlook is for a Large Part of Arkansas. .DAY ONE...This Evening and Tonight Numerous showers and thunderstorms are expected through the night as the next weather system and cold front move through the region. Rain will be heaviest over central and southern Arkansas where another two to more than four inches of rain could fall. This additional rainfall will only aid in the worsening flood conditions already in place from the most recent heavy rainfall event across the area. There will also be the possibility of isolated severe storms, with hail and winds the main threats. An isolated tornado may also develop. The main threat area will be over the southern half of Arkansas late this afternoon and evening. .DAYS TWO THROUGH SEVEN...Thursday Through Tuesday Rain will end during the day Thursday. Dry weather is forecast the rest of Thursday, Friday and Saturday. The chances of rain will be back in the forecast Sunday with the next weather system to affect the region. Due to the recent prolonged period of heavy rainfall, river stages are expected to remain high into next week. Flooding will continue in several river basins, including the Black, White, Cache, Ouachita, and Saline Rivers. .Spotter Information Statement... Spotter activation may be necessary late this afternoon and this evening, given the possibility of severe weather. && Visit NWS Little Rock on the web. Go to http://weather.gov/lzk.
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 8:38 PM CST | River Flood Advisory | LZK | White | 36 hr |
| Feb 27, 10:38 PM CST | Special Weather Statement | LZK | Jefferson, Lonoke, Prairie, Pulaski, Saline | 52 min |
| Feb 27, 10:55 PM CST | Special Weather Statement | LZK | Cleburne, Conway, Faulkner, Independence, Van Buren, White | 50 min |
| Feb 28, 8:24 AM CST | River Flood Advisory | LZK | Jefferson, Lincoln | 36 hr |
| Feb 28, 9:48 AM CST | River Flood Warning | LZK | White | 56 hr |
| Feb 28, 9:59 AM CST | River Flood Warning | LZK | Clark, Nevada, Ouachita | 4 days |
| Feb 28, 10:01 AM CST | River Flood Warning | LZK | Saline | 68 hr |
| Feb 28, 10:44 AM CST | River Flood Advisory | LZK | Independence, Jackson | 36 hr |
| Feb 28, 1:37 PM CST | Areal Flood Warning | LZK | Faulkner | 36 hr |
| Feb 28, 4:37 PM CST | Severe Thunderstorm Warning | LZK | Calhoun, Cleveland, Dallas, Jefferson, Lincoln, Ouachita | 38 min |
| Feb 28, 5:46 PM CST | Flash Flood Warning | LZK | Bradley, Cleveland, Drew, Lincoln | 3 hr |
Nearby
Flash Flood Warnings in Arkansas, 2018Every flash flood warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.