Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 101, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 30, 1995, 8:39 PM CDT for Nowata County, Oklahoma. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Apr 30, 1995, 8:39 PM CDT (01:39 UTC)
- Expired
- Apr 30, 1995, 9:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Nowata County, OK
The radar
The Tulsa radar (KINX), 70 km from the middle of the area, began a volume at 01:40 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
Springfield, MO (KUMN), launched 00:00Z, 1.7 hours before the alert went out and 162 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 340 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 010139 SVRTUL OKC105-010230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 839 PM CDT SUN APR 30 1995 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...NOWATA COUNTY AT 838 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM 5 MILES WEST OF SOUTH COFEYVILLE TO 10 MILES WEST OF NOWATA. THE LINE WAS MOVING EAST AT 40 MILES AN HOUR. LENAPAH AND NOWATA ARE IN THE PATH OF THESE STORMS. DAMAGING WINDS WITH GUSTS UP TO 70 MPH WILL OCCUR WITH THIS LINE OF THUNDERSTORMS. IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER IMMEDIATELY IN THE LOWEST FLOOR OF YOUR BUILDING OR HOME. STAY AWAY FROM OUTSIDE WALLS AND WINDOWS. IF YOU ARE IN A MOBILE HOME YOU SHOULD MOVE TO A MORE SUBSTANTIAL STRUCTURE IF ONE IS NEARBY. 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 Apr 30, 3:43 PM CDT, 4 hours 56 minutes earlier.
Area forecast discussion, Apr 30, 3:43 PM CDT, 4 hours 56 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 345 PM CDT SUN APR 30 1995 WRMFNT CONTS TO APRCH FCST AREA. SHUD BE NR RED RVR BY 00Z. STG S/W SEEN ON WTR VPR LOOP HEADING TWRD FCST AREA. MDL GRID DATA SHOW STG UPR JET AXIS FROM CO TO CTRL OK...WITH MUCH OF FCST AREA IN LFQ WHERE MDLS INDCT STG UPR DVRGNCE. MDLS SHOW IDEAL SETUP FOR WDSPRD CNVCTN ALNG/N OF WRMFNT ORGANIZING INTO COMPLEX LATE TNGT...MUCH LIKE FRI NGT. TSTMS ALRDY FIRING RAPIDLY ACRS ECTRL OK SEEN ON 88D. STGLY DIFFLUENT THCKNSS PTRN...DVLPG LLJ CROSSING WRMFNT...AND STG DYNAMIC/ISNTRPC LIFT N OF WRMFNT SUGGEST BACKBLDG CNVCTN ALNG/N OF WRMFNT...LEADG TO FF THREAT. DONT KNOW HOW FAR NORTH HVY RNFL WL BE...BUT WITH FFG LOW ACRS ENTIRE AREA AND MDLS SHOWG POTNTL FOR SGNFNCNT RNFL EVEN ACRS NRN ZNS...WILL ISSUE FF WATCH FOR ALL ZNS FOR TNGT. EVNG SHFT CAN REFINE IF THREAT DCRS FOR SOME ZNS. WL GO NR 100 POPS RW/TRW FOR TNGT...AND MENT PSBLTY OF HAIL... GUSTY WINDS...AND HVY RN. SVR WX PSBL EARLY...WITH THREAT EVOLVING INTO MORE OF A HVY RNFL/FLD THREAT BY LATE TNGT. TEMPS TNGT SHUD REMAIN AOA XPCTD EVNG SFC DWPT VALUES. S/W AXIS MOVES ACRS AREA TMRW MRNG...ENDG PCPN. WL GO WITH 30 POPS...40 POPS NW AR...FOR MRNG SHWRS...OTHRWS WL KEEP MSTLY CLDY AS STG 850 MB LOW DVLPS AND MDLS SUGGEST CLDNSS WRAPPING ARND LOW. HI TMPS MAY BE SLGTLY BLO MOS DUE TO CLDNSS. WL GO WITH DCRSG CLDNSS MON NGT. HI PRES MOVES OVR AREA...AND H8 TMPS ARE QUITE LOW. WENT WITH TEMPS A LTL BLO MOS FOR LOWS. FOR TUE...MAY GET SOME MRNG SUN...BUT MID/HI CLDS SHUD INCRS IN AFTN IN ADVANCE OF NXT SYS. PRELIM NUMBERS... TUL 53/62 42/66 +30- MLC 59/64 44/68 +30- FYV 52/61 41/65 +400 FSM 56/65 45/68 +300 BVO 52/62 39/65 930- IDB 60/70 48/69 +300 PW .TUL...FFA TNGT OK ZNS 54>79 AND AR ZNS 1/2/10/11/19/29.
In the hours before
Local storm report, Apr 30, 4:32 PM CDT, 4 hours 7 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
430 PM CDT SUN APR 30 1995
TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS...
....COUNTY LOCATION....
405 PM RED OAK OK 0.75 INCH HAIL
04/30/95 LATIMER
405 PM VIAN OK 0.75 INCH HAIL
04/30/95 SEQUOYAH
415 PM SPIRO OK 0.75 INCH HAIL
04/30/95 LE FLORE
420 PM LE FLORE OK 1.25 INCH HAIL
04/30/95 LE FLORELocal storm report, Apr 30, 4:43 PM CDT, 3 hours 56 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
442 PM CDT SUN APR 30 1995
TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS...
....COUNTY LOCATION....
430 PM VAN BUREN AR 0.75 INCH HAIL
04/30/95 CRAWFORD
435 PM FORT SMITH AR 0.88 INCH HAIL
04/30/95 SEBASTIANLocal storm report, Apr 30, 5:10 PM CDT, 3 hours 29 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
509 PM CDT SUN APR 30 1995
TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS...
....COUNTY LOCATION....
450 PM 6 NNE WINSLOW AR 0.88 INCH HAIL
04/30/95 WASHINGTONLocal storm report, Apr 30, 5:27 PM CDT, 3 hours 12 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
526 PM CDT SUN APR 30 1995
TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS...
....COUNTY LOCATION....
505 PM 6 SW WITTER AR 0.75 INCH HAIL
04/30/95 MADISONSpecial weather statement, Apr 30, 5:54 PM CDT, 2 hours 45 minutes before
OKZ067-068-069-071-072-074-075-076-ARZ010-019-029-302330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 554 PM CDT SUN APR 30 1995 SEVERE THUNUDERSTORM WATCH NUMBER 271 HAS BEEN CANCELLED FOR ALL COUNTIES IN EASTERN OKLAHOMA. THIS INCLUDES THE FOLLOWING COUNTIES...ADAIR...CHEROKEE...MCINTOSH...MUSKOGEE...SEQUOYAH... WAGONER...HASKELL...LATIMER...AND LE FLORE. THE SEVERE THUNDERSTORM WATCH HAS ALSO BEEN CANCELLED FOR CRAWFORD...BSEBASTIAN...AND WASHINGTON COUNTIES IN NORTHWEST ARKANSAS. THE THREAT OF SEVERE THUNDERSTORMS HAS SHIFTED TO THE EAST OF THESE COUNTIES.
Local storm report, Apr 30, 6:04 PM CDT, 2 hours 35 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
604 PM CDT SUN APR 30 1995
TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS...
....COUNTY LOCATION....
505 PM 2 NW PAGE \ OK 1.00 INCH HAIL AND TREE LIMBS
04/30/95 LE FLORE BLOWN DOWNThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 8:20 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 40 min |
| Apr 30, 11:16 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 40 min |
| Apr 30, 11:43 PM CDT | Severe Thunderstorm Warning | TSA | Latimer | 47 min |
| May 1, 12:12 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 48 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1995Every severe thunderstorm warning in 1995
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.