Alert archive / Arkansas / Flash Flood Warnings in 2002
Flash Flood Warning 5, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Mar 18, 2002, 11:54 PM CST for Sebastian County, Arkansas; LeFlore County, Oklahoma. It was in force for 96 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 18, 2002, 11:54 PM CST (05:54 UTC)
- Expired
- Mar 19, 2002, 1:30 AM CST
- In force
- 96 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties Sebastian County, AR, LeFlore County, OK
The radar
The Western Arkansas radar (KSRX), 44 km from the middle of the area, began a volume at 05:55 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
Springfield, MO (KSGF), launched 00:00Z, 5.9 hours before the alert went out and 229 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
- 5 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 713 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- -165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KTSA 190554
FFWTUL
ARC131-OKC079-190730-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1151 PM CST MON MAR 18 2002
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* FLASH FLOOD WARNING FOR
LE FLORE COUNTY IN SOUTHEAST OKLAHOMA
SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS
* UNTIL 130 AM CST
* AT 1151 PM CST RADAR INDICATED AN AREA OF VERY HEAVY RAIN WITH A
FEW EMBEDDED THUNDERSTORMS OVER MOST OF LE FLORE AND SEBASTIAN
COUNTIES. THIS ACTIVITY WAS MOVING NORTHEAST AT 35 MPH.
RADAR AND SURFACE OBSERVATIONS INDICATE THAT BETWEEN 1.5 AND 2.5
INCHES OF RAIN HAS FALLEN OVER THE WARNED AREA OVER THE PAST 3
HOURS. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 130 AM CST.
* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
INCLUDE POTEAU...HEAVENER...WISTER...CAMERON...PANAMA...SPIRO...
POCOLA...HARTFORD...GREENWOOD AND FORT SMITH.
EXCESSIVE RUNOFF WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND
STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING
AREAS ARE SUBJECT TO FLASH FLOODING.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
LAT...LON 3520 9494 3471 9504 3454 9491 3453 9449
3490 9442 3515 9415 3542 94131 follow-up statement
000 WGUS74 KTSA 190643 FFSTUL ARC131-OKC079-190730- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1241 AM CST TUE MAR 19 2002 ...FLASH FLOOD WARNING CONTINUES FOR SEBASTIAN AND LE FLORE COUNTIES UNTIL 130 AM CST... AT 1241 AM CST...RADAR CONTINUED TO SHOW AN AREA OF VERY HEAVY RAIN OVER MUCH OF LE FLORE AND SEBASTIAN COUNTIES...MOVING NORTHEAST AT 35 MPH. RADAR INDICATES THAT 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNED AREA. ANOTHER INCH WILL BE POSSIBLE THROUGH 130 AM CST. SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN INCLUDE POTEAU...HEAVENER...PANAMA...MONROE...BIG CEDAR...FORT SMITH...JENNY LIND...GREENWOOD...HUNTINGTON AND HARTFORD. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 8:34 PM CST | Flash Flood Warning | TSA | Sebastian | 3 hr |
| Mar 18, 8:42 PM CST | Flash Flood Warning | TSA | Sebastian | 3 hr |
| Mar 18, 10:37 PM CST | Flash Flood Warning | TSA | Franklin | 3 hr |
| Mar 19, 1:31 AM CST | Flash Flood Warning | TSA | Franklin, Sebastian | 4 hr |
| Mar 19, 3:54 AM CST | Flash Flood Warning | TSA | Crawford | 96 min |
| Mar 19, 7:17 AM CST | Flash Flood Warning | TSA | Crawford, Franklin, Sebastian | 4 hr |
| Mar 19, 11:01 AM CST | Flash Flood Warning | TSA | Crawford, Franklin, Sebastian | 5 hr |
| Mar 19, 2:40 PM CST | Flash Flood Warning | TSA | Madison | 5 hr |
| Mar 19, 3:54 PM CST | Flash Flood Warning | TSA | Crawford, Franklin, Sebastian | 6 hr |
| Mar 18, 10:02 PM CST | Flash Flood Warning | TSA | Choctaw | 118 min |
Nearby
Flash Flood Warnings in Arkansas, 2002Flash Flood Warnings in Oklahoma, 2002Every flash flood warning in 2002
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.