Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 251, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 15, 1997, 3:17 PM CDT for Pittsburg County, Oklahoma. It was in force for 43 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 15, 1997, 3:17 PM CDT (20:17 UTC)
- Expired
- Jul 15, 1997, 4:00 PM CDT
- In force
- 43 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Pittsburg County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 15, 3:20 PM CDT | Hail 1 | Mc Alester, OK |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 8.3 hours before the alert went out and 154 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
- 1353 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 1708 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 152018 RRA SVRTUL OKC121-152100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 317 PM CDT TUE JUL 15 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST OKLAHOMA ...SOUTHERN PITTSBURG COUNTY AT 318 PM...RADAR INDICATED A SEVERE THUNDERSTORM NEAR MCALESTER. MOVEMENT WAS SOUTHEAST AT 5 MPH. QUARTER SIZE HAIL WAS REPORTED IN MCALESTER AT 316 PM. HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS AND NEVER DRIVE ONTO A FLOODED ROAD. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS. &
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 15, 10:08 AM CDT, 5 hours 9 minutes earlier.
Area forecast discussion, Jul 15, 10:08 AM CDT, 5 hours 9 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1005 AM CDT TUE JUL 15 1997 SHRA/TSRA CONT TO OCCUR ARND THE EDGES OF FA THIS MRNG. CNVCTN IN WRN OK CONTS TO DROP SWD WHILE STRMS IN SW AR ARE MVG SSWD AND ARE CLIPPING PARTS OF MCCURTAIN CNTY. TAIL END OF WK BNDRY APRNT ACRS PARTS OF FA IN SFC AND H85 ANALYSES WHICH MAY PROVIDE A FOCUS FOR AFTN TSRA DVLPMNT. MODIFIED 12Z SNDGS SUGGEST WK CAPPING INCRSG FM E TO W ACRS FA. 12Z ETA SHOWS SYNOPTIC SCALE SUBSIDENCE IN SRN OK BY THIS EVE WHICH MAY HELP MINIMIZE TSRA POTNL. HOWEVER CHC POPS STILL SEEM JUSTIFIED ACRS MUCH OF FA FOR THIS AFTN. PREV FCST SEEMS TO HV GOOD HANDLE ON THIS SITN THUS XPCT ONLY MDINOR MODIFICATIONS FOR UPDATE. .TUL... OK...NONE. AR...NONE.
In the hours before
Local storm report, Jul 15, 11:36 AM CDT, 3 hours 41 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1136 AM CDT TUE JUL 15 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0740 PM CAVE SPRINGS AR 0.75 INCH HAIL
07/14/97 BENTONSpecial weather statement, Jul 15, 1:00 PM CDT, 2 hours 17 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-161200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT TUE JUL 15 1997 ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND THIS EVENING OVER WEST CENTRAL ARKANSAS AND PARTS OF EASTERN OKLAHOMA. THE THREAT AREA IS MAINLY SOUTH AND WEST OF A LINE FROM BARTLESVILLE OKLAHOMA TO FORT SMITH ARKANSAS. THE AIRMASS ACROSS MOST OF THE AREA WILL BECOME VERY UNSTABLE BY LATE THIS AFTERNOON. WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP IN THE HEAT OF THE AFTERNOON AS TEMPERATURES RISE INTO THE LOWER AND MID 90S. A WEAK SURFACE BOUNDARY...EXTENDING FROM SOUTH OF TULSA TO NEAR FORT SMITH EARLY THIS AFTERNOON...MAY HELP FOCUS THE ACTIVITY. ANY THUNDERSTORMS THAT DEVELOP WILL HAVE THE POTENTIAL TO PRODUCE LARGE HAIL AND DAMAGING DOWNBURST WINDS. THUNDERSTORMS WILL MOVE VERY SLOWLY WITH WEAK WINDS ALOFT...AND VERY HEAVY RAINS COULD FALL IN A FEW AREAS. THE STORMS WILL DIMINISH RAPIDLY AFTER SUNSET. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS SHOULD MONITOR THE LATEST WEATHER CONDITIONS AND BE READY FOR POSSIBLE ACTIVATION THROUGH EARLY THIS EVENING.
Special weather statement, Jul 15, 1:01 PM CDT, 2 hours 16 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-161200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT TUE JUL 15 1997 ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND THIS EVENING OVER WEST CENTRAL ARKANSAS AND PARTS OF EASTERN OKLAHOMA. THE THREAT AREA IS MAINLY SOUTH AND WEST OF A LINE FROM BARTLESVILLE OKLAHOMA TO FORT SMITH ARKANSAS. THE AIRMASS ACROSS MOST OF THE AREA WILL BECOME VERY UNSTABLE BY LATE THIS AFTERNOON. WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP IN THE HEAT OF THE AFTERNOON AS TEMPERATURES RISE INTO THE LOWER AND MID 90S. A WEAK SURFACE BOUNDARY...EXTENDING FROM SOUTH OF TULSA TO NEAR FORT SMITH EARLY THIS AFTERNOON...MAY HELP FOCUS THE ACTIVITY. ANY THUNDERSTORMS THAT DEVELOP WILL HAVE THE POTENTIAL TO PRODUCE LARGE HAIL AND DAMAGING DOWNBURST WINDS. THUNDERSTORMS WILL MOVE VERY SLOWLY WITH WEAK WINDS ALOFT...AND VERY HEAVY RAINS COULD FALL IN A FEW AREAS. THE STORMS WILL DIMINISH RAPIDLY AFTER SUNSET. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS SHOULD MONITOR THE LATEST WEATHER CONDITIONS AND BE READY FOR POSSIBLE ACTIVATION THROUGH EARLY THIS EVENING.
Local storm report, Jul 15, 2:56 PM CDT, 21 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
256 PM CDT TUE JUL 15 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0220 PM 1 SE STIGLER OK 0.75 INCH HAIL
07/15/97 HASKELLLocal storm report, Jul 15, 2:57 PM CDT, 20 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
256 PM CDT TUE JUL 15 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0220 PM 1 SE SPTIGLER OK 0.75 INCH HAIL
07/15/97 HASKELLThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 6:23 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 37 min |
| Jul 15, 2:09 PM CDT | Severe Thunderstorm Warning | TSA | Haskell | 36 min |
| Jul 15, 4:14 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 46 min |
| Jul 15, 5:05 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 25 min |
| Jul 15, 5:09 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 36 min |
| Jul 15, 5:14 PM CDT | Severe Thunderstorm Warning | TSA | Okmulgee | 31 min |
| Jul 15, 6:08 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 37 min |
| Jul 15, 6:49 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Wagoner | 41 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.