Alert archive / Oklahoma / Flash Flood Warnings in 1999
Flash Flood Warning 59, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at May 23, 1999, 3:58 AM CDT for Muskogee County, Okmulgee County, Wagoner 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 23, 1999, 3:58 AM CDT (08:58 UTC)
- Expired
- May 23, 1999, 6:00 AM CDT
- In force
- 2 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Muskogee County, OK, Okmulgee County, OK, Wagoner County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 9.0 hours before the alert went out and 171 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
- 1374 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1632 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 230904 FFWTUL OKC021-101-111-145-231100- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 358 AM CDT SUN MAY 23 1999 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * FLASH FLOOD WARNING FOR CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA OKMULGEE COUNTY IN NORTHEAST OKLAHOMA WAGONER COUNTY IN NORTHEAST OKLAHOMA * UNTIL 600 AM CDT * AT 355 AM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDING FROM NORTHWEST OKMULGEE COUNTY TO CHEROKEE COUNTY...MOVING EAST-SOUTHEAST AT 15 MPH. ONE TO THREE INCHES OF RAIN WILL BE POSSIBLE OVER THESE COUNTIES BY 5 AM...RESULTING IN EXCESSIVE RUNNOFF AND POSSIBLE FLASH FLOODING. 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. LA&T...LON 3584 9615 3561 9617 3568 9478 3617 9479
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.
NWS Tulsa, OK wrote its last area forecast discussion before this flash flood warning went out at May 22, 11:07 PM CDT, 4 hours 51 minutes earlier.
Area forecast discussion, May 22, 11:07 PM CDT, 4 hours 51 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1107 PM CDT SAT MAY 22 1999 HAVE ISSUED A FLASH FLOOD WATCH FOR MUCH OF EASTERN OKLAHOMA. WHILE SOME UNCERTAINTIES REMAIN ON THE EVOLUTION OF THE COMPLEX TO THE NORTH...IT APPEARS THAT THERE IS A GOOD CHANCE THAT IT WILL TURN MORE SOUTH AND TRAVEL ALONG AND JUST SOUTH OF THE H850 WEAK BAROCLINIC ZONE EXTENDING NEAR AN ICT-FYV LINE AT 00Z. WHILE THERE WILL BE A SEVERE THREAT...AM ALSO CONCERNED THAT WITH A 30 KNOT H850 JET FEEDING INTO THE COMPLEX...THE SOUTHWEST EDGE OF THE COMPLEX WILL ANCHOR IN OR NEAR THE AREA AND RESULT IN A PERIOD OF TRAINING ECHOES. LAPES RATES IN THE AREA ARE STEEP RESULTING SUFFICIENT ELEVATED INSTABILITY TO SUPPORT THE IDEA OF BOTH A HAIL AND WIND THREAT WITH THESE STORMS..DESPITE A CONVECTIVELY MODIFIED BOUNDARY LAYER IN MOST OF THE FORECAST AREA. AT THIS TIME WE ARE EXPECTING THAT THE STORMS WILL BE MOVING INTO OSAGE / PAWNEE COUNTIES AROUND 07Z AND PROGRESS SOUTHEAST FROM THERE. /8 .TUL... AR...NONE. OK...OKZ054>075 FLASH FLOOD WATCH TONIGHT.
In the hours before
Special weather statement, May 22, 10:10 PM CDT, 5 hours 48 minutes before
OKZ076-230330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1010 PM CDT SAT MAY 22 1999 SEVERE THUNDERSTORM WATCH NUMBER 314 HAS BEEN CANCELLED IN LE FLORE COUNTY OKLAHOMA. THE SEVERE STORMS THAT HAVE MOVED THROUGH THAT AREA HAVE MOVED INTO MCCURTAIN COUNTY AND ADJACENT PARTS OF SOUTHWEST ARKANSAS AND NO LONGER POSE A THREAT TO LE FLORE COUNTY. THUNDERSTORMS OVER KANSAS MAY TURN TO THE SOUTH DURING THE NIGHT AND COULD REACH LE FLORE COUNTY TOWARD MORNING...BUT UNTIL THEN THE THREAT FOR SEVERE WEATHER HAS ENDED. STAY TUNED TO THIS STATION FOR FURTHER INFORMATION FROM THE NATIONAL WEATHER SERVICE.
Special weather statement, May 22, 10:10 PM CDT, 5 hours 48 minutes before
OKZ076-230330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1010 PM CDT SAT MAY 22 1999 SEVERE THUNDERSTORM WATCH NUMBER 314 HAS BEEN CANCELLED IN LE FLORE COUNTY OKLAHOMA. THE SEVERE STORMS THAT HAVE MOVED THROUGH THAT AREA HAVE MOVED INTO MCCURTAIN COUNTY AND ADJACENT PARTS OF SOUTHWEST ARKANSAS AND NO LONGER POSE A THREAT TO LE FLORE COUNTY. THUNDERSTORMS OVER KANSAS MAY TURN TO THE SOUTH DURING THE NIGHT AND COULD REACH LE FLORE COUNTY TOWARD MORNING...BUT UNTIL THEN THE THREAT FOR SEVERE WEATHER HAS ENDED. STAY TUNED TO THIS STATION FOR FURTHER INFORMATION FROM THE NATIONAL WEATHER SERVICE.
Local storm report, May 22, 10:42 PM CDT, 5 hours 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1042 PM CDT SAT MAY 22 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0400 PM SILOAM SPGS AR .75 INCH HAIL
05/22/99 BENTON
0440 PM WESTVILLE OK .75 INCH HAIL
05/22/99 ADAIR
0530 PM 3 W MARAMEC OK 1 INCH HAIL
05/22/99 PAWNEE
0530 PM BARNSDALL OK 1 INCH HAIL
05/22/99 OSAGE
0530 PM VERA OK .88 INCH HAIL
05/22/99 WASHINGTON
0640 PM NATURAL DAM AR 1 INCH HAIL
05/22/99 CRAWFORD
0700 PM TULSA OK FLOOD
05/22/99 TULSA STREET FLOODING
0700 PM JENKS OK 1 INCH HAIL
05/22/99 TULSA
0715 PM BEGGS OK .88 INCH HAIL
05/22/99 OKMULGEE
0715 PM 3 N MOODYS OK .75 INCH HAIL
05/22/99 CHEROKEE
0730 PM 2 W BEGGS OK .75 INCH HAIL
05/22/99 OKMULGEE
0730 PM BOLEY OK .75 INCH HAIL
05/22/99 OKFUSKEELocal storm report, May 22, 10:42 PM CDT, 5 hours 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1042 PM CDT SAT MAY 22 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0400 PM SILOAM SPGS AR .75 INCH HAIL
05/22/99 BENTON
0440 PM WESTVILLE OK .75 INCH HAIL
05/22/99 ADAIR
0530 PM 3 W MARAMEC OK 1 INCH HAIL
05/22/99 PAWNEE
0530 PM BARNSDALL OK 1 INCH HAIL
05/22/99 OSAGE
0530 PM VERA OK .88 INCH HAIL
05/22/99 WASHINGTON
0640 PM NATURAL DAM AR 1 INCH HAIL
05/22/99 CRAWFORD
0700 PM TULSA OK FLOOD
05/22/99 TULSA STREET FLOODING
0700 PM JENKS OK 1 INCH HAIL
05/22/99 TULSA
0715 PM BEGGS OK .88 INCH HAIL
05/22/99 OKMULGEE
0715 PM 3 N MOODYS OK .75 INCH HAIL
05/22/99 CHEROKEE
0730 PM 2 W BEGGS OK .75 INCH HAIL
05/22/99 OKMULGEE
0730 PM BOLEY OK .75 INCH HAIL
05/22/99 OKFUSKEELocal storm report, May 23, 3:36 AM CDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
336 AM CDT SUN MAY 23 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0202 AM 10 W PAWHUSKA OK .75 INCH HAIL
05/23/99 OSAGE
0240 AM BERNICE OK .88 INCH HAIL
05/23/99 DELAWARE
0240 AM TERLTON OK 62 MPH TSTM GUST
05/23/99 PAWNEE
0307 AM TULSA OK .88 INCH HAIL
05/23/99 TULSA
0325 AM SHAMROCK OK 60 MPH TSTM GUST
05/23/99 CREEKLocal storm report, May 23, 3:36 AM CDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
336 AM CDT SUN MAY 23 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0202 AM 10 W PAWHUSKA OK .75 INCH HAIL
05/23/99 OSAGE
0240 AM BERNICE OK .88 INCH HAIL
05/23/99 DELAWARE
0240 AM TERLTON OK 62 MPH TSTM GUST
05/23/99 PAWNEE
0307 AM TULSA OK .88 INCH HAIL
05/23/99 TULSA
0325 AM SHAMROCK OK 60 MPH TSTM GUST
05/23/99 CREEKThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 7:13 PM CDT | Severe Thunderstorm Warning | TSA | Okmulgee | 47 min |
| May 22, 7:21 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 39 min |
| May 22, 7:36 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee | 39 min |
| May 22, 7:40 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 50 min |
| May 22, 7:49 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 41 min |
| May 22, 7:56 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee, Okmulgee | 49 min |
| May 22, 8:46 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 44 min |
| May 22, 9:23 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 52 min |
| May 23, 1:45 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 45 min |
| May 23, 1:45 AM CDT | Severe Thunderstorm Warning | TSA | Nowata, Rogers, Washington | 45 min |
| May 23, 1:45 AM CDT | Severe Thunderstorm Warning | TSA | Craig | 45 min |
| May 23, 1:58 AM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 47 min |
| May 23, 2:30 AM CDT | Severe Thunderstorm Warning | TSA | Delaware, Mayes, Ottawa | 60 min |
| May 23, 2:30 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Pawnee, Tulsa | 60 min |
| May 23, 2:30 AM CDT | Severe Thunderstorm Warning | TSA | Rogers, Wagoner | 60 min |
| May 23, 3:35 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee, Okmulgee | 55 min |
| May 23, 3:35 AM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Tulsa, Wagoner | 55 min |
| May 23, 3:58 AM CDT | Flash Flood Warning | TSA | Cherokee | 2 hr |
| May 23, 4:17 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 43 min |
Nearby
Flash Flood Warnings in Oklahoma, 1999Every flash flood warning in 1999
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.