Alert archive / Oklahoma / Flash Flood Warnings in 1998
Flash Flood Warning 13, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at May 6, 1998, 3:56 AM CDT for LeFlore County, Oklahoma. It was in force for 2 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
- May 6, 1998, 3:56 AM CDT (08:56 UTC)
- Expired
- May 6, 1998, 6:15 AM CDT
- In force
- 2 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County LeFlore County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 8.9 hours before the alert went out and 248 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
- 906 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 806 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 060857 FFWTUL OKC079-061115- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 356 AM CDT WED MAY 6 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * FLASH FLOOD WARNING FOR... LE FLORE COUNTY IN SOUTHEASTERN OKLAHOMA * UNTIL 615 AM CDT * AT 355 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN FROM NEAR RED OAK TO WISTER TO HEAVENER...MOVING EAST SOUTHEAST AT 20 MPH. * THE THUNDERSTORMS WILL CONTINUE TO MOVE OVER CENTRAL LEFLORE COUNTY...WHERE RADAR INDICATED NEARLY 2 INCHES OF RAIN HAS ALREADY FALLEN. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 1:56 AM CDT | Severe Thunderstorm Warning | TSA | Adair | 49 min |
| May 6, 2:42 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 48 min |
| May 6, 3:26 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 34 min |
| May 6, 3:59 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 46 min |
| May 6, 4:41 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 49 min |
| May 6, 5:07 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okmulgee | 53 min |
| May 6, 5:26 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee | 64 min |
| May 6, 5:41 PM CDT | Tornado Warning | TSA | Okmulgee | 49 min |
| May 6, 5:49 PM CDT | Severe Thunderstorm Warning | TSA | Wagoner | 56 min |
| May 6, 5:55 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 65 min |
| May 6, 6:06 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee | 24 min |
| May 6, 6:11 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 64 min |
| May 6, 6:14 PM CDT | Tornado Warning | TSA | Muskogee | 46 min |
| May 6, 6:20 PM CDT | Tornado Warning | TSA | Nowata, Washington | 40 min |
| May 6, 6:29 PM CDT | Tornado Warning | TSA | McIntosh | 61 min |
| May 6, 6:36 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 54 min |
| May 6, 6:38 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 52 min |
| May 6, 6:43 PM CDT | Severe Thunderstorm Warning | TSA | Mayes, Rogers, Wagoner | 77 min |
| May 6, 6:54 PM CDT | Flash Flood Warning | TSA | Tulsa | 3 hr |
| May 6, 6:59 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 61 min |
Nearby
Flash Flood Warnings in Oklahoma, 1998Every flash flood warning in 1998
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.