Alert archive / Arkansas / Flash Flood Warnings in 1990
Flash Flood Warning 4, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood warning at Mar 7, 1990, 11:37 PM CST for Clark County, Arkansas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Mar 7, 1990, 11:37 PM CST (05:37 UTC)
- Expired
- Mar 8, 1990, 2:00 AM CST
- In force
- 2 hr
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
County Clark County, AR
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Longview/Gregg, TX (KGGG), launched 00:00Z, 5.6 hours before the alert went out and 231 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
- 201 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 469 m²/s²
- 0-3 km storm-relative helicity
- 562 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLIT 080539 FFWLIT ARC019-080800- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LITTLE ROCK AR 1137 PM CST WED MAR 7 1990 THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS EXTENDED THE FLASH FLOOD WARNING EFFECTIVE UNTIL 200 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ARKANSAS ...CLARK COUNTY AT 1130 PM CST...FLOODING WAS CONTINUING IN CLARK COUNTY. MODERATE FLOODING WAS REPORTED AT THE USUAL LOW SPOTS IN ARKADELPHIA AND MODERATE RAIN WAS CONTINUING TO FALL. STATE HIGHWAYS 7 AND 8 WERE STILL CLOSED BETWEEN GRIFFITHTOWN AND DALARK...AND STATE HIGHWAY 53 WAS FLOODED BETWEEN GURDON AND INTERSTATE 30. IN ADDITION...A NUMBER OF COUNTY ROADS WERE UNDER WATER. AS OF 1130 PM...RADAR SHOWED THAT RAIN INTENSITIES WERE DECREASING IN THE AREA IMMEDIATELY SOUTHWEST OF CLARK COUNTY. HOWEVER... OTHER SHOWERS AND THUNDERSTORMS WERE INCREASING OVER PARTS OF NORTHEAST TEXAS. SO...CLARK COUNTY MAY EXPERIENCE SOME SLACKENING OF RAIN...BUT RAINFALL COULD INCREASE AGAIN LATER TONIGHT. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLO'WING STREAM...EVEN A SMALL ONE...ON FOOT. 28
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.
In the hours before
Special weather statement, Mar 7, 5:45 PM CST, 5 hours 52 minutes before
ARC113-127-OKC079-080045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT SMITH AR 542 PM CST WED MAR 7 1990 ...A STRONG THUNDERSTORM IS MOVING INTO LE FLORE COUNTY OKLAHOMA... AT 535 PM WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM ABOUT 15 MILE SOUTHWEST OF PAGE OKLAHOMA. THIS THUNDERSTORM WILL PRODUCE BRIEF HEAVY RAIN...DANGEROUS LIGHTNING...GUSTY WINDS AND SMALL HAIL. THUNDERSTORM IS MOVING NORTHEAST AT 35 MPH. PEOP LE IN SOUTHERN LE FLORE...POLK AND SCOTT COUNTIES SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Mar 7, 6:45 PM CST, 4 hours 52 minutes before
OKZ020-ARZ004-007-080145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT SMITH AR 640 PM CST WED MAR 7 1990 ...THE THUNDERSTORM IN SOUTH SEBASTIAN COUNTY HAS WEAKENED... AT 635 PM WEATHER SERVICE RADAR INDICATES A THUNDERSHOWER IN SOUTH SEBASTIAN COUNTY ABOUT 10 MILES SOUTHEAST OF GREENWOOD. THIS THUNDERSTORM HAS WEAKENED IN THE PAST 15 MINUTES. IT IS PRODUCING ONLY MODERATE RAINFALL RATES AND OCCASIONAL DANGEROUS LIGHTNING. IT IS NO >LONGER PRODUCING HAIL. THE THUNDERSHOWER IS MOVING NORTHEAST AT 50 MPH.
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 9:55 PM CST | Flash Flood Warning | LZK | Clark | 2 hr |
| Mar 8, 1:52 AM CST | Flash Flood Warning | LZK | Garland, Saline | 3 hr |
| Mar 8, 1:52 AM CST | Flash Flood Warning | LZK | Lonoke, Pulaski | 3 hr |
Nearby
Flash Flood Warnings in Arkansas, 1990Every flash flood warning in 1990
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.