Alert archive / Oklahoma / Flash Flood Warnings in 1999
Flash Flood Warning 63, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Jun 10, 1999, 6:44 PM CDT for Pushmataha County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jun 10, 1999, 6:44 PM CDT (23:44 UTC)
- Expired
- Jun 10, 1999, 9:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Pushmataha County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 11.7 hours before the alert went out and 207 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
- 1208 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 682 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 102346 FFWTUL OKC127-110245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 644 PM CDT THU JUN 10 1999 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * FLASH FLOOD WARNING FOR PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 945 PM CDT * AT 643 PM CDT RADAR INDICATED AN AREA OF VERY HEAVY RAIN ACROSS MUCH OF PUSHMATAHA COUNTY MOVING SLOWLY TO THE NORTHEAST. RADAR ESTIMATES THAT 1 TO 3 INCHES OF RAIN HAS FALLEN IN THE LAST HOUR AND ADDITIONAL 1 TO 3 INCHES WILL BE POSSIBLE THROUGH EARLY THIS EVENING. KELLOND...OLETA...ALBION...KIAMICHI...TUSKAHOMA...STANLEY... NASHOBA...SNOW...CLOUDY...RATTAN...CLAYTON AND ANTLERS AND ADJACENT COMMUNITIES MAY BE AFFECTED BY 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. LAT...LON 3417 9571 3418 9519 3465 9490 3468 9543
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 Jun 10, 3:55 PM CDT, 2 hours 49 minutes earlier.
Area forecast discussion, Jun 10, 3:55 PM CDT, 2 hours 49 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 355 PM CDT THU JUN 10 1999 PROBLEM(S) OF THE DAY: WILL THERE BE SEVERE CONVECTION? POPS WILL THE BE ANY FLOODING? SHOWERS AND THUNDERSTORMS CONTINUE TO MOVE SLOWLY NORTHEAST ACROSS NORTHEAST OKLAHOMA ALONG AN OUTFLOW BOUNDARY LEFT FROM THE CONVECTIVE COMPLEX WHICH AFFECTED NORTH CENTRAL OKLAHOMA THIS MORNING. WITH UPPER LEVEL VORT MAX OVER THE AREA AND THE ATMOSPHERE MODERATELY UNSTABLE...SOME OF THESE STORMS MAY APPROACH SEVERE LIMITS THIS EVENING. HIGH PRESSURE AT THE SURFACE WILL REMAIN OVER THE SOUTHEASTERN U.S. THROUGH 48 HOURS. SOUTHERLY WINDS BEHIND THIS HIGH WILL CONTINUE TO PUMP MOISTURE INTO THE FORECAST AREA. MEANWHILE A NEARLY STATIONARY SURFACE FRONT WILL STRETCH FROM NEW MEXICO THROUGH WESTERN OKLAHOMA AND CENTRAL KANSAS. SEVERAL WEAK UPPER LEVEL SHORT WAVES WILL MOVE ACROSS NORTHEAST OKLAHOMA JUST AHEAD OF THIS SURFACE FRONT... ENHANCING ANY CONVECTION WHICH DEVELOPS. THE FAVORABLE REGION FOR DEVELOPMENT WILL BE TO OUR WEST ALONG THE DRYLINE THEN MOVE EAST APPROACHING EASTERN OKLAHOMA DURING THE EARLY MORNING HOURS. WILL GO WITH LIKELY POPS WESTERN ZONES AND CHANCE ELSEWHERE TONIGHT AND BROAD BRUSH CHANCE POPS THROUGH SATURDAY. GUIDANCE TEMPS LOOK REASONABLE AND HAVENT STRAYED TOO MUCH. IN THE EXTENDED...MODELS HAVE SURFACE FRONT APPROACHING NORTHEAST OKLAHOMA AREA SATURDAY EVENING...AND THROUGH THE FORECAST AREA ON SUNDAY. WILL CONTINUE SLIGHT CHANCE OF POPS THROUGH SUNDAY. THEN MONDAY AND TUESDAY LOOK DRY BEFORE NEXT SYSTEM APPROACHES LATE TUESDAY. FCSTID = 33 TUL 68 87 69 85 / 60 30 20 30 FSM 70 88 68 84 / 40 30 20 30 MLC 69 88 68 86 / 50 30 20 30 BVO 67 85 68 83 / 60 30 20 30 FYV 67 86 65 82 / 50 30 20 30 IDB 68 90 67 90 / 40 30 20 30 BYV 66 85 64 81 / 50 30 20 30 MIO 67 85 68 82 / 60 30 20 30 MKO 68 87 69 85 / 60 30 20 30 F10 68 88 68 86 / 60 30 20 30 HHW 69 90 68 90 / 40 30 20 30 .TUL... AR...NONE. OK...NONE.
In the hours before
Special weather statement, Jun 10, 1:00 PM CDT, 5 hours 44 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-111100- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT THU JUN 10 1999 SCATTERED THUNDERSTORMS WILL OCCUR ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON AND TONIGHT BUT NO ORGANIZED SEVERE WEATHER IS EXPECTED. .SYNOPSIS... SURFACE LOW PRESSURE OVER EASTERN NEW MEXICO WILL MOVE LITTLE THROUGH TONIGHT. A MOIST UNSTABLE AIRMASS WILL REMAIN IN PLACE ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. .DISCUSSION... A WELL DEFINED OUTFLOW BOUNDARY EXTENDED FROM LENAPAH TO TULSA TO WELTY TO NORMAN EARLY THIS AFTERNOON. THIS BOUNDARY HAS MOVED LITTLE SINCE EARLY THIS MORNING. THUNDERSTORMS HAVE BECOME QUITE NUMEROUS ALONG AND JUST NORTH OF THIS BOUNDARY AND ARE MOVING NORTHEAST PARALLEL TO THE BOUNDARY. THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE AT LEAST THROUGH EARLY EVENING RESULTING IN LOCALIZED VERY HEAVY RAINFALL AMOUNTS DUE TO REPEATED THUNDERSTORMS TRACKING ACROSS THE SAME AREAS. THE MOST LIKELY AREAS TO EXPERIENCE EXCESSIVE RAINFALL AND POSSIBLE FLASH FLOODING THIS AFTERNOON AND EVENING ARE CREEK...WESTERN TULSA...SOUTHEAST OSAGE...WASHINGTON AND NORTHWEST NOWATA COUNTIES IN NORTHEAST OKLAHOMA. WIDELY SCATTERED THUNDERSTORMS WILL ALSO OCCUR DURING THE AFTERNOON AND EARLY EVENING ACROSS THE REST OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. A FEW OF THESE STORMS MAY BRIEFLY PULSE UP TO NEAR SEVERE LIMITS AND PRODUCE LARGE HAIL AND DAMAGING WINDS. THE DURATION OF ANY SEVERE WEATHER WILL BE VERY SHORT HOWEVER. LATER TONIGHT...A COMPLEX OF STORMS MAY AGAIN APPROACH NORTHEAST OKLAHOMA FROM THE WEST. THESE STORMS ARE NOT EXPECTED TO BE SEVERE. .EMERGENCY MANAGEMENT AGENCY AND SPOTTER ACTIVATION... NO ORGANIZED SEVERE WEATHER IS EXPECTED THROUGH TONIGHT. THEREFORE...SPOTTER ACTIVATION OVER EASTERN OKLAHOMA AND NORTHWEST ARKANSAS IS NOT EXPECTED THROUGH TONIGHT.
Special weather statement, Jun 10, 1:00 PM CDT, 5 hours 44 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-111100- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT THU JUN 10 1999 SCATTERED THUNDERSTORMS WILL OCCUR ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON AND TONIGHT BUT NO ORGANIZED SEVERE WEATHER IS EXPECTED. .SYNOPSIS... SURFACE LOW PRESSURE OVER EASTERN NEW MEXICO WILL MOVE LITTLE THROUGH TONIGHT. A MOIST UNSTABLE AIRMASS WILL REMAIN IN PLACE ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. .DISCUSSION... A WELL DEFINED OUTFLOW BOUNDARY EXTENDED FROM LENAPAH TO TULSA TO WELTY TO NORMAN EARLY THIS AFTERNOON. THIS BOUNDARY HAS MOVED LITTLE SINCE EARLY THIS MORNING. THUNDERSTORMS HAVE BECOME QUITE NUMEROUS ALONG AND JUST NORTH OF THIS BOUNDARY AND ARE MOVING NORTHEAST PARALLEL TO THE BOUNDARY. THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE AT LEAST THROUGH EARLY EVENING RESULTING IN LOCALIZED VERY HEAVY RAINFALL AMOUNTS DUE TO REPEATED THUNDERSTORMS TRACKING ACROSS THE SAME AREAS. THE MOST LIKELY AREAS TO EXPERIENCE EXCESSIVE RAINFALL AND POSSIBLE FLASH FLOODING THIS AFTERNOON AND EVENING ARE CREEK...WESTERN TULSA...SOUTHEAST OSAGE...WASHINGTON AND NORTHWEST NOWATA COUNTIES IN NORTHEAST OKLAHOMA. WIDELY SCATTERED THUNDERSTORMS WILL ALSO OCCUR DURING THE AFTERNOON AND EARLY EVENING ACROSS THE REST OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. A FEW OF THESE STORMS MAY BRIEFLY PULSE UP TO NEAR SEVERE LIMITS AND PRODUCE LARGE HAIL AND DAMAGING WINDS. THE DURATION OF ANY SEVERE WEATHER WILL BE VERY SHORT HOWEVER. LATER TONIGHT...A COMPLEX OF STORMS MAY AGAIN APPROACH NORTHEAST OKLAHOMA FROM THE WEST. THESE STORMS ARE NOT EXPECTED TO BE SEVERE. .EMERGENCY MANAGEMENT AGENCY AND SPOTTER ACTIVATION... NO ORGANIZED SEVERE WEATHER IS EXPECTED THROUGH TONIGHT. THEREFORE...SPOTTER ACTIVATION OVER EASTERN OKLAHOMA AND NORTHWEST ARKANSAS IS NOT EXPECTED THROUGH TONIGHT.
Local storm report, Jun 10, 4:58 PM CDT, 1 hour 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
458 PM CDT THU JUN 10 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0410 PM MC ALESTER OK 1 INCH HAIL
06/10/99 PITTSBURG DIME TO QUARTER SIZE
HAIL IN MCALESTER AREA
0415 PM 5 SE BERRYVILLE AR FLOOD
06/10/99 CARROLL COUNTY ROADS FLOODED
SOUTHEAST OF BERRYVILLE
0420 PM WAGONER OK FLOOD
06/10/99 WAGONER STREET FLOODINGLocal storm report, Jun 10, 4:58 PM CDT, 1 hour 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
458 PM CDT THU JUN 10 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0410 PM MC ALESTER OK 1 INCH HAIL
06/10/99 PITTSBURG DIME TO QUARTER SIZE
HAIL IN MCALESTER AREA
0415 PM 5 SE BERRYVILLE AR FLOOD
06/10/99 CARROLL COUNTY ROADS FLOODED
SOUTHEAST OF BERRYVILLE
0420 PM WAGONER OK FLOOD
06/10/99 WAGONER STREET FLOODINGThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 3:34 PM CDT | Flash Flood Warning | TSA | Wagoner | 116 min |
| Jun 10, 4:04 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 41 min |
| Jun 10, 4:05 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Sequoyah | 40 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.