Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 211, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 10, 1996, 8:32 PM CDT for Cherokee 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
- May 10, 1996, 8:32 PM CDT (01:32 UTC)
- Expired
- May 10, 1996, 9:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Cherokee County, OK
The radar
The Tulsa radar (KINX), 59 km from the middle of the area, began a volume at 01:34 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 10, 8:35 PM CDT | Thunderstorm Wind 52 | Hulbert, 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
Springfield, MO (KSGF), launched 00:00Z, 1.5 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 571 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 288 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 110133 SVRTUL OKC021-110215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 832 PM CDT FRI MAY 10 1996 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL OKLAHOMA ...CHEROKEE COUNTY AT 830 PM RADAR INDICATED A SEVERE THUNDERSTORM JUST EAST OF OKAY MOVING EAST AT 30 MILES AN HOUR. THIS STORM WILL PASS TO THE SOUTH OF HULBERT. DIME SIZE HAIL WAS REPORTED IN OKAY WITH THIS STORM. HAIL TO THE SIZE OF DIMES 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. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. 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 May 10, 3:45 PM CDT, 4 hours 47 minutes earlier.
Area forecast discussion, May 10, 3:45 PM CDT, 4 hours 47 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 345 PM CDT THU MAY 9 1996 ATMOSPHERE MAY BE PREMIERING ITS OWN VERSION OF "TWISTER" TONIGHT. WDLY SCT STRONG/SVR TRWS CONTINUE OVER NE OK ALONG AND AHEAD OF THE FRONT. APPEARS AS IF THE CAP IS HOLDING OVER SE OK WHERE BREAKS IN THE CLOUDS HAVE ALLOWED TEMPS TO RISE INTO THE LOW TO MID 80S. STILL LOOKING FOR THE CAP TO BREAK OVER SE OK HOWEVER GOOD LIFTING MAY BE CONFINED TO THE COLD FRONT WHICH STILL REMAINS JUST NORTH OF TUL (AS OPPOSED TO 12Z ETA FCST PSN ON THE RED RIVER AT 00Z). WIND PROFILE STILL NOT OPTIMAL FOR TORNADIC DEVLOPMENT...HOWEVER MID LEVEL WINDS HAVE INCREASED TO 40+ KTS WHICH MAY INDICATE BETER ENVIRONMENT FOR RFD FORMATION. ANALYSIS OF SFC/VAD/PROFILER WINDS SHOWS HELICITY VALUES AOB 100 ACROSS THE WARM SECTOR. EXPECT RW-/TRW TO CONTINUE INTO TONIGHT...ESP OVER SE OK AND NW AR EVEN BEHIND THE FRONT. BASED ON CURRENT TRENDS IN DEVELOPMENT OF TRW AND ABUNDANT LOW LEVEL MOISTURE/MOISTURE ADVECTION...WILL ISSUE FFW FOR AREAS SOUTH OF A GROVE TO HENRYETTA LINE. BACK EDGE OF PRECIP SHOULD BE ALONG H7 TROUGH AXIS WHICH IS FCST TO MOVE THROUGH AROUND SUNRISE. AS HINTED EARLIER...ETA MODEL IS MUCH TOO FAST WITH THE FRONT SO NGM/AVN USED FOR THIS FCST. AVN TEMPS LOOK A LITTLE TOO COOL TOMORROW WITH SUNSHINE TOMORROW SO WENT WITH WARMER NGM TEMPS. NO PCGRIDDS DATA TO LOOK AT TODAY. AFOS GRAPHICS FROM NGM AND AVN SHOW DIFFERENCE IN WHERE STALLED FRONT IN TEXAS ENDS UP SAT NIGHT AND SUN. NGM GUIDANCE HAS ZERO POPS FOR SAT NIGHT/SUN WHILE AVN HAS 30-40 WITH A WARM FRONT DEVELOPING. FOR NOW WILL LEAVE OUT POPS ASSUMING FRONT AND MOISTURE WILL CONTINUE SWD INTO THE GULF COAST IN STRONG NWLY FLOW. CONVECTION ALONG FRONT SHOULD ALSO HELP ACCELERATE ITS SWD MOMENTUM. IN THE EXTENDED...LOOKS LIKE A MUCH CALMER WEEKEND WITH CLEARING SKIES...COOL NIGHTS AND WARM DAYS. 26 TUL 054/076 053/082 057 4000 FSM 059/078 050/083 054 8-00 MLC 057/080 054/086 057 7-11 BVO 051/075 052/082 057 3000 FYV 056/074 046/080 050 7-00 IDB 060/080 051/084 052 8311 BYV 056/073 045/079 048 7100 .TUL... OK...NONE. AR...NONE.
In the hours before
Local storm report, May 10, 3:47 PM CDT, 4 hours 45 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
346 PM CDT FRI MAY 10 1996
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1539 PM BROKEN ARROW OK 1.00 INCH HAIL
05/10/96 TULSALocal storm report, May 10, 3:48 PM CDT, 4 hours 44 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
348 PM CDT FRI MAY 10 1996
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1450 PM PEGGS OK 1.00 INCH HAIL
05/10/96 CHEROKEESpecial weather statement, May 10, 4:51 PM CDT, 3 hours 41 minutes before
OKZ062-102200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 449 PM CDT FRI MAY 10 1996 ...FOR MAYES COUNTY... THE SEVERE THUNDERSTORM WARNING IS NO LONGER IN EFFECT FOR MAYES COUNTY. AT 447 PM...RADAR INDICATED THAT THE THUNDERSTORMS HAD WEAKENED...AND WERE MOVING EAST OUT OF THE COUNTY. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 10, 4:52 PM CDT, 3 hours 40 minutes before
ARZ001-002-010-011-019-029-OKZ056>058-060>076-110200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 450 PM CDT FRI MAY 10 1996 TORNADO WATCH NUMBER 345 HAS BEEN CANCELED IN THE FOLLOWING OKLAHOMA COUNTIES... NOWATA...ROGERS...TULSA AND CREEK. TORNADO WATCH NUMBER 345 REMAINS IN EFFECT UNTIL 900 PM IN THE FOLLOWING COUNTIES... IN OKLAHOMA... CRAIG...OTTAWA...MAYES...DELAWARE...WAGONER...CHEROKEE...ADAIR... OKFUSKEE...OKMULGEE...MUSKOGEE...MCINTOSH...PITTSBURG...HASKELL... LATIMER...SEQUOYAH AND LE FLORE. IN ARKANSAS... BENTON...WASHINGTON...CRAWFORD...SEBASTIAN...CARROLL AND MADISON. THE THREAT OF SEVERE WEATHER HAS DIMINISHED ACROSS NOWATA... ROGERS...TULSA AND CREEK COUNTIES AS A COLD FRONT MOVES SOUTHEASTWARD. HOWEVER...STRONG TO SEVERE THUNDERSTORMS CONTINUE AHEAD OF THE FRONT AND WILL AFFECT MUCH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THROUGH THE EVENING. SEE SHORT TERM FORECASTS ISSUED BY THIS OFFICE FOR DETAILS ON THE THUNDERSTORMS.
Local storm report, May 10, 5:34 PM CDT, 2 hours 58 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
534 PM CDT FRI MAY 10 1996
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1730 PM 1S CROWDER OK 1.00 INCH HAIL
05/10/96 PITTSBURGSpecial weather statement, May 10, 7:27 PM CDT, 1 hour 5 minutes before
ARZ001-002-010-011-019-029-OKZ057-058-062-063-065>076-110200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 725 PM CDT FRI MAY 10 1996 TORNADO WATCH NUMBER 345 HAS BEEN CANCELED IN THE FOLLOWING COUNTIES... IN OKLAHOMA... CRAIG...OTTAWA...MAYES...DELAWARE...WAGONER...OKFUSKEE AND OKMULGEE. AND IN ARKANSAS... BENTON TORNADO WATCH NUMBER 345 REMAINS IN EFFECT UNTIL 900 PM IN THE FOLLOWING COUNTIES... IN OKLAHOMA... CHEROKEE...ADAIR...MUSKOGEE...MCINTOSH...PITTSBURG...HASKELL... LATIMER...SEQUOYAH AND LE FLORE. IN ARKANSAS... WASHINGTON...CRAWFORD...SEBASTIAN...CARROLL AND MADISON. THE THREAT OF SEVERE WEATHER HAS DIMINISHED ACROSS MOST OF NORTHEAST OKLAHOMA AND BENTON COUNTY ARKANSAS. HOWEVER...STRONG TO SEVERE THUNDERSTORMS CONTINUE ACROSS MUCH OF NORTHWEST ARKANSAS AND EAST CENTRAL AND SOUTHEAST OKLAHOMA. SEE SHORT TERM FORECASTS ISSUED BY THIS OFFICE FOR DETAILS ON THE THUNDERSTORMS.
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1996Every severe thunderstorm warning in 1996
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; radar from the NEXRAD Level II archive.