Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 182, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 28, 1996, 5:51 PM CDT for LeFlore County, Oklahoma. It was in force for 54 min. 2 reports 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
- Apr 28, 1996, 5:51 PM CDT (22:51 UTC)
- Expired
- Apr 28, 1996, 6:45 PM CDT
- In force
- 54 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County LeFlore County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 28, 6:05 PM CDT | Hail 0.75 | Whitesboro, OK | |
| Apr 28, 6:52 PM CDT | Hail 0.88 | Hodgen, 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, 10.9 hours before the alert went out and 248 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
- 1798 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 684 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 328 m²/s²
- 0-3 km storm-relative helicity
- 553 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 282253 SVRTUL OKC079-282345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 551 PM CDT SUN APR 28 1996 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST OKLAHOMA ...SOUTHERN LE FLORE COUNTY AT 551 PM...RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS MOVING INTO SOUTHERN LE FLORE COUNTY BETWEEN TALIHINA AND MUSE MOVING NORTHEAST AT 30 MPH. TALIHINA...MUSE AND HEAVNER ARE NEAR THE PATH. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. 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.
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 28, 3:16 PM CDT, 2 hours 35 minutes earlier.
Area forecast discussion, Apr 28, 3:16 PM CDT, 2 hours 35 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 315 PM CDT SUN APR 28 1996 LATEST MESONET SHOWS SFC LOW E OF TUL WITH CD FNT EXTENDING SWD THRU SCNTRL OK. WM FNT EMANATES FM LOW THRU NE OK/EXTREME NRN AR. AIRMASS IN WARM SECTOR IS QUITE MOIST AND UNSTABLE WITH SFC DWPTS IN THE M/U 60S AND LIS ABT -3 TO -5. MRNG SNDGS SHOWED STG CAP FM ERN TX THRU ERN OK/NW AR...AND THICK CLD CVR HAS PREVENTED CAP FM BEING BROKEN SO FAR THIS AFTN. HV SEEN A GRADUAL INCREASE IN AREAL COVERAGE OF R-/RW- ACRS FA AND IT SHUD BE JUST A MATTER OF TIME AS MID LVL COOLING ARRIVES BY EARLY EVENING AND SFC CONVERGENCE INCREASES VCNTY CD FNT/WM FNT. PROBABLY WL SEE A SQLN FORM ALG CD FNT AS IT REACHES FAR ERN OK/NW AR ZNS BY EARLY EVE. DIRECTIONAL SHEAR NOT TOO IMPRESSIVE PER AREA PROFILERS/88D VWP...SO PRIMARY THREAT OF SVR WX SHUD COME FROM LARGE HAIL AND STRONG WIND. BASED ON ETA MVMT OF CD FNT...TSTRMS SHUD BE EXITING FA AFT 06-07Z. CD FNT PUSHES TO CNTRL/ERN AR BY MON MRNG WITH HIGHER SFC PRES AND IMPRESSIVE LLVL CAA SPREADING THRU FA. SHARP/POS TILT UPR TROF MVS ACRS OK DURG THE DAY AND SHUD KP MOST AREAS UNDER CLD CVR WITH SML CHCS OF PCPN MAINLY EARLY. BASICALLY A CLOUDY...WINDY AND UNSEASONABLY COLD SPRING DAY WITH TEMPS IN THE U40S/L50S. MAY SEE A FEW BRKS BY LATE IN THE DAY MON...BUT MAIN CLRG WL BE OVERNGT. WITH CLRG SKIES AND DIMINISHING WNDS...MOST PLACES WL DROP WELL INTO THE 30S MON NGT. TUE SHUD BE NICE WITH MOSTLY SUNNY SKIES...BREEZY W WNDS AND MORE SEASONABLE TEMPS. GENERALLY FOLLOWED A BLEND OF FWC/FAN NUMBERS FOR TEMPS. FWC POPS LOOK PRETTY GD...WITH FAN POPS TOO HIGH FOR MON. PRELIM NUMBERS: TUL 46/49 39/70 42-0 FSM 52/54 38/68 8310 MLC 47/54 39/71 52-0 BVO 44/48 38/69 32-0 FYV 45/48 34/64 8310 IDB 56/58 39/67 8410 BYV 44/47 34/62 8310 HODGES .TUL... OK..NONE. AR...NONE.
In the hours before
Special weather statement, Apr 28, 1:03 PM CDT, 4 hours 48 minutes before
ARZ001-002-010-011-019-029-OKZ054>077-291200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT SUN APR 28 1996 A FEW SEVERE THUNDERSTORMS ARE EXPECTED LATE THIS AFTERNOON AND THIS EVENING OVER MUCH OF EASTERN OKLAHOMA AND ALL OF NORTHWEST ARKANSAS GENERALLY TO THE SOUTHEAST OF INTERSTATE 44. A COLD FRONT WILL SLOWLY PUSH SOUTHEAST ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON AND EVENING. AT 1 PM...THE COLD FRONT WAS LOCATED ROUGHLY ALONG INTERSTATE 44. THE AIR TO THE SOUTH AND EAST OF THE COLD FRONT WILL BE MOIST AND VERY UNSTABLE. HOWEVER...THIS MOIST AND VERY UNSTABLE AIR WILL BE KEPT IN CHECK BY A LAYER OF RELATIVELY WARM AIR ABOVE THE SURFACE. HELP WILL BE NEEDED TO BREAK THROUGH THIS LAYER OF WARM AIR OR CAP. THE HELP MAY ARRIVE IN THE FORM OF THE COLD FRONT ITSELF...BUT WILL LIKELY BE ENHANCED AS AN UPPER ATMOSPHERIC DISTURBANCE APPROACHES THE AREA FROM THE WEST. SHOULD THE CAP BE BROKEN...A FEW SEVERE THUNDERSTORMS ARE EXPECTED. AT THIS TIME IT APPEARS THE MAIN THREAT WILL BE LARGE HAIL AND DAMAGING WINDS. THE WIND PROFILE ALOFT IS ONLY MARGINAL FOR THE DEVELOPMENT OF TORNADOES. EMERGENCYX MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS SHOULD CONTINUE TO MONITOR THIS WEATHER SITUATION AND BE PREPARED FOR POSSIBLE ACTIVATION LATE THIS AFTERNOON AND EVENING.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 12:25 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 65 min |
| Apr 28, 12:56 AM CDT | Tornado Warning | TSA | Osage | 34 min |
| Apr 28, 1:20 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 40 min |
| Apr 28, 1:27 AM CDT | Tornado Warning | TSA | Osage | 33 min |
| Apr 28, 1:32 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 43 min |
| Apr 28, 1:55 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 35 min |
| Apr 28, 2:00 AM CDT | Severe Thunderstorm Warning | TSA | Craig | 45 min |
| Apr 28, 2:04 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 56 min |
| Apr 28, 2:16 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 44 min |
| Apr 28, 2:18 AM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 57 min |
| Apr 28, 2:40 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 35 min |
| Apr 28, 2:46 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 44 min |
| Apr 28, 3:13 AM CDT | Severe Thunderstorm Warning | TSA | Craig | 47 min |
| Apr 28, 3:35 AM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 40 min |
| Apr 28, 4:57 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 33 min |
| Apr 28, 5:03 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee | 27 min |
| Apr 28, 5:21 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 54 min |
| Apr 28, 5:32 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 28 min |
| Apr 28, 5:49 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 41 min |
| Apr 28, 6:24 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 51 min |
| Apr 28, 6:41 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 49 min |
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.