Alert archive / Oklahoma / Flash Flood Warnings in 2002
Flash Flood Warning 31, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at May 16, 2002, 9:55 PM CDT for Osage County, Pawnee 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 outline as issued.
The facts
- Issued
- May 16, 2002, 9:55 PM CDT (02:55 UTC)
- Expired
- May 17, 2002, 12:00 AM CDT
- In force
- 2 hr
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties Osage County, OK, Pawnee County, OK
The radar
The Tulsa radar (KINX), 84 km from the middle of the area, began a volume at 02:57 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
Norman, OK (KOUN), launched 00:00Z, 2.9 hours before the alert went out and 158 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
- 3039 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1088 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KTSA 170255 FFWTUL OKC113-117-170500- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 955 PM CDT THU MAY 16 2002 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * FLASH FLOOD WARNING FOR OSAGE COUNTY IN NORTHEAST OKLAHOMA PAWNEE COUNTY IN NORTHEAST OKLAHOMA * UNTIL MIDNIGHT CDT * AT 954 PM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN 3 MILES NORTH OF CLEVELAND...MOVING NORTHEAST AT 30 MPH. RADAR INDICATES THAT 1 TO 3 INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNED AREA. ANOTHER 2 INCHES WILL BE POSSIBLE THROUGH MIDNIGHT CDT. * SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN INCLUDE PAWHUSKA...OSAGE...HOMINY...AVANT...WYNONA...BARNSDALL... OKESA...HALLETT...MARAMEC...BLACKBURN AND CLEVELAND. LAT...LON 3625 9683 3618 9656 3648 9603 3692 9602
2 follow-up statements
000 WGUS74 KTSA 170330 FFSTUL OKC113-117-170500- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1029 PM CDT THU MAY 16 2002 ...FLASH FLOOD WARNING CONTINUES FOR OSAGE AND PAWNEE COUNTIES UNTIL MIDNIGHT CDT... AT 1026 PM CDT...RADAR CONTINUED TO SHOW THUNDERSTORMS WITH VERY HEAVY RAIN 2 MILES NORTHWEST OF CLEVELAND...NEARLY STATIONARY. RADAR INDICATES THAT 3 TO 4 INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNED AREA. ANOTHER 1 TO 3 INCHES WILL BE POSSIBLE THROUGH MIDNIGHT CDT. SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN INCLUDE OSAGE...HOMINY...WYNONA...BARNSDALL...PERSHING...TALLANT... NELAGONEY AND CLEVELAND. 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. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3633 9664 3620 9648 3651 9604 3668 9626
000 WGUS74 KTSA 170412 FFSTUL OKC113-117-170500- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1110 PM CDT THU MAY 16 2002 ...FLASH FLOOD WARNING CONTINUES FOR OSAGE AND PAWNEE COUNTIES UNTIL MIDNIGHT CDT... AT 1110 PM CDT...RADAR CONTINUED TO SHOW THUNDERSTORMS WITH VERY HEAVY RAIN ALONG A LINE EXTENDING FROM 10 MILES NORTHEAST OF WESTPORT TO JENNINGS...MOVING SLOWLY EAST. RADAR INDICATES THAT 3 TO 4 INCHES OF RAIN HAS ALREADY FALLEN OVER PORTIONS OF EASTERN PAWNEE AND SOUTHERN OSAGE COUNTY. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH MIDNIGHT CDT. SEVERAL ROADS HAVE ALREADY BECOME IMPASSABLE. SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN INCLUDE OSAGE...HOMINY...JENNINGS...TERLTON...HALLETT...CLEVELAND AND WESTPORT. 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 3652 9655 3633 9661 3618 9658 3619 9601
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 8:50 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 55 min |
| May 16, 9:50 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 55 min |
| May 16, 11:03 PM CDT | Flash Flood Warning | TSA | Washington | 3 hr |
| May 16, 11:12 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 48 min |
| May 16, 11:20 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 40 min |
| May 16, 11:34 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 41 min |
| May 16, 11:43 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 62 min |
| May 17, 12:26 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 49 min |
| May 17, 12:44 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 61 min |
| May 17, 1:04 AM CDT | Severe Thunderstorm Warning | TSA | Okmulgee | 56 min |
| May 17, 1:10 AM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa, Wagoner | 50 min |
| May 17, 1:18 AM CDT | Flash Flood Warning | TSA | Creek, Tulsa | 3 hr |
| May 17, 1:49 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 41 min |
| May 17, 1:58 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa, Wagoner | 47 min |
| May 17, 2:12 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 63 min |
| May 17, 2:21 AM CDT | Flash Flood Warning | TSA | Wagoner | 3 hr |
| May 17, 2:34 AM CDT | Flash Flood Warning | TSA | Okmulgee | 2 hr |
| May 17, 2:38 AM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Wagoner | 67 min |
| May 17, 3:03 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 57 min |
| May 17, 3:12 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 63 min |
| May 17, 3:15 AM CDT | Flash Flood Warning | TSA | Cherokee, Creek, Delaware, Mayes, Muskogee, Okmulgee and 2 more | 3 hr |
| May 17, 3:37 AM CDT | Severe Thunderstorm Warning | TSA | Okmulgee | 53 min |
| May 17, 4:05 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 40 min |
| May 17, 4:39 AM CDT | Severe Thunderstorm Warning | TSA | Haskell, Muskogee, Pittsburg | 51 min |
| May 17, 5:01 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 44 min |
| May 17, 5:05 AM CDT | Severe Thunderstorm Warning | TSA | Latimer | 40 min |
| May 17, 5:17 AM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 43 min |
| May 17, 5:23 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 52 min |
| May 17, 5:41 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 49 min |
| May 17, 6:10 AM CDT | Flash Flood Warning | TSA | Cherokee, Creek, Delaware, Mayes, Muskogee, Okmulgee and 2 more | 6 hr |
Nearby
Flash 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.