Alert archive / Arkansas / Flash Flood Warnings in 1990
Flash Flood Warning 45, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Oct 8, 1990, 11:07 AM CDT for Polk County, Arkansas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Oct 8, 1990, 11:07 AM CDT (16:07 UTC)
- Expired
- Oct 8, 1990, 2:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Polk 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 12:00Z, 4.1 hours before the alert went out and 240 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
- 777 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 658 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSM 081608 FFWFSM ARC113-081915- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE FORT SMITH AR 1107 AM CDT MON OCT 8 1990 THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 215 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ARKANSAS ...POLK COUNTY ..HEAVY RAIN MOVING BACK INTO POLK COUNTY ARKANSAS. MANY STREETS IN MENA ARKANSAS IN POLK COUNTY ARE WATER COVERED AND DANGEROUS. MANY SMALL STREAMS ARE BANKFULL AND ABOVE.DUE TO THE HEAVY RAIN BEGINNING AGAIN FLOODING WILL OCCUR OVER MANY AREAS OF POLK COUNTY FOR THE NEXT FEW HOURS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
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, Oct 8, 6:00 AM CDT, 5 hours 7 minutes before
OKZ007-008-012-013-081145-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
600 AM CDT MON OCT 8 1990
...GET READY FOR A COOL AND DAMP DAY...
A RATHER COOL AND DAMP DAY WILL START THE WEEK IN NORTHEAST
OKLAHOMA AND SURROUNDING AREAS. A SHALLOW LAYER OF COLD AIR NEAR
THE SURFACE WILL CAUSE THE COOL TEMPERATURES WHILE VERY MOIST AIR
ABOVE THE SURFACE WILL CAUSE CLOUDS AND OCCASIONAL PRECIPITATION.
LIGHT TO MODERATE RAIN WILL LIKELY FALL FOR MOST OF TODAY AND
LAST THROUGH TONIGHT. A STRONG UPPER LEVEL STORM SYSTEM TO THE
WEST OF THE AREA WILL MOVE EAST AND BRING THE THREAT OF A FEW
THUNDERSTORMS BOTH TODAY AND TONIGHT.
HIGH TEMPERATURES TODAY IN NORTHEAST OKLAHOMA WILL LIKELY REMAIN IN
THE 50S IN MOST AREAS WITH NORTH WINDS AROUND 15 MPH. IF YOU PLAN
TO BE OUTDOORS TODAY...REMEMBER TO DRESS APPROPRIATELY AND TAKE ALONG
YOUR UMBRELLA. THE RAIN IS EXPECTED TO CONTINUE THROUGH TUESDAY
MORNING WITH CONTINUED COOL TEMPERATURES AND STRONG NORTH WINDS.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 8, 12:32 AM CDT | Flash Flood Warning | TSA | Polk | 3 hr |
| Oct 8, 3:29 AM CDT | Flash Flood Warning | TSA | Polk | 3 hr |
| Oct 8, 6:29 AM CDT | Flash Flood Warning | TSA | Polk | 2 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.