Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 90, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 30, 1996, 2:56 PM CST for Muskogee County, Wagoner County, Oklahoma. It was in force for 49 min. 3 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
- Mar 30, 1996, 2:56 PM CST (20:56 UTC)
- Expired
- Mar 30, 1996, 3:45 PM CST
- In force
- 49 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Muskogee County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 44 km from the middle of the area, began a volume at 20:59 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 |
|---|---|---|---|
| Mar 30, 3:10 PM CST | Hail 0.75 | Haskell, OK | |
| Mar 30, 3:15 PM CST | Hail 0.75 | Haskell, OK | |
| Mar 30, 3:25 PM CST | Hail 0.75 | Red Bird, 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, 8.9 hours before the alert went out and 187 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
- 303 J/kg
- Mixed-layer CIN
- -198 J/kg
- Mixed-layer LCL
- 580 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 248 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KTUL 302058 RRA SVRTUL OKC101-145-302145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 256 PM CST SAT MAR 30 1996 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL OKLAHOMA ...NORTHWESTERN MUSKOGEE COUNTY IN NORTHEAST OKLAHOMA ...WAGONER COUNTY AT 255 PM...RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF HASKELL MOVING NORTHEAST AT 25 MPH. HASKELL AND RED BIRD ARE IN THE PATH OF THIS STORM. AT 240 PM...DIME SIZE HAIL WAS REPORTED IN OKMULGEE. A TORNADO WATCH IS ALSO IN EFFECT FOR THE PART OF THE WARNED AREA. 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 Mar 30, 10:01 AM CST, 4 hours 55 minutes earlier.
Area forecast discussion, Mar 30, 10:01 AM CST, 4 hours 55 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1000 AM CST SAT MAR 30 1996 12Z UPR AIR ANALYSES SHOW STRG NRLY VERTICALLY STACKED LO NR GAG. 15Z MESONET SHOWS SFC LO BTWN GAG AND END W/DRYLINE XTNDG SWD ACRS WRN OK. SNDGS SHOW CAP REMAINS ACRS SRN PLAINS ALTHO LAPSE RATES ARE STEEP AND WND FIELDS STRG. SOME RW/TRW HV FORMED IN WRN OK UNDERNEATH UPR LO WHILE OTHER RW AHEAD OF SYS HV MOVED OUT OF NRN ZNS INTO KS/MO. LOTS OF CLR SKIES ACRS MUCH OF WRN AND CNTRL OK WL ALLOW FOR GOOD HEATING DURG THE DAY AND FURTHER DESTABILIZATION. 12Z ETA/NGM/RUC IN GOOD AGREEMENT IN TRACKING UPR LO TO NR TUL BY 00Z. XPCT RW/TRW TO FORM AHEAD OF AND BENEATH THIS SYS. HOWEVER AM NOT CONVINCED THAT CNVCTN WL BE BASED IN BNDRY LYR. BEST CHC FOR THAT WL PROB BE IN SRN ZNS. NEVERTHELESS SVR TRW PSBL W/LO TOPPED/LO VIL HAILERS LOOKING MOST LIKELY. CRNT ZNS HV SITN PRETTY WELL IN HAND AND SO ONLY MINOR ADJS ARE XPCTD. 07 .TUL... OK...NONE. AR...NONE.
In the hours before
Special weather statement, Mar 30, 1:00 PM CST, 1 hour 56 minutes before
ARZ001-002-010-011-019-029-OKZ054>077-311200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CST SAT MAR 30 1996 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF EASTERN OKLAHOMA AND A SMALL PART OF WEST CENTRAL ARKANSAS UNTIL 7 PM. A FEW SEVERE THUNDERSTORMS ARE EXPECTED OVER EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON AND EVENING. A STRONG UPPER LEVEL SYSTEM WAS MOVING ACROSS CENTRAL OKLAHOMA EARLY THIS AFTERNOON. AT THE SURFACE...LOW PRESSURE WAS CENTERED JUST NORTHEAST OF OKLAHOMA CITY AT 1 PM. THE SURFACE LOW WILL TRACK EAST SOUTHEAST ACROSS SOUTHEAST OKLAHOMA THIS AFTERNOON AND THE UPPER LEVEL SYSTEM WILL MOVE EAST INTO NORTHEAST OKLAHOMA. SUBSTANTIAL MID LEVEL COOLING WILL OCCUR ACROSS THE AREA THIS AFTERNOON AS THE UPPER LEVEL SYSTEM MOVES INTO THE AREA. THIS WILL ALLOW THE CAP WHICH HAS BEEN IN PLACE OVER THE AREA THIS MORNING TO BREAK AND ALLOW THUNDERSTORMS TO DEVELOP. LOW LEVEL MOISTURE WILL ALSO CONTINUE TO INCREASE THIS AFTERNOON AND THIS WILL FURTHER DESTABILIZE THE ATMOSPHERE AND ALLOW SOME OF THE STORMS TO BECOME SEVERE. THE MAIN SEVERE WEATHER THREAT IS EXPECTED TO BE LARGE HAIL. THE COLDER AIR ALOFT MOVING INTO THE AREA WILL CAUSE THE STORMS TO BE EFFICIENT HAIL PRODUCERS. CONDITIONS DO NOT APPEAR FAVORABLE AT THIS TIME FOR DAMAGING WINDS AND TORNADOES AS THE BETTER WIND PROFILES FOR THIS TYPE OF ACTIVITY WILL BE SOUTH AND EAST OF THE AREA. THE SEVERE WEATHER THREAT SHOULD END BY 10 PM. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS IN THE SEVERE THUNDERSTORM WATCH AREA SHOULD BE ACTIVATING NOW. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS IN THE REST OF THE AREA SHOULD BE PREPARED FOR POSSIBLE ACTIVATION LATE THIS AFTERNOON AND EVENING.
Special weather statement, Mar 30, 1:11 PM CST, 1 hour 45 minutes before
ARZ001-002-010-011-019-029-OKZ054>077-311200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CST SAT MAR 30 1996 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF EASTERN OKLAHOMA AND A SMALL PART OF WEST CENTRAL ARKANSAS UNTIL 7 PM. A FEW SEVERE THUNDERSTORMS ARE EXPECTED OVER EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON AND EVENING. A STRONG UPPER LEVEL SYSTEM WAS MOVING ACROSS CENTRAL OKLAHOMA EARLY THIS AFTERNOON. AT THE SURFACE...LOW PRESSURE WAS CENTERED JUST NORTHEAST OF OKLAHOMA CITY AT 1 PM. THE SURFACE LOW WILL TRACK EAST SOUTHEAST ACROSS SOUTHEAST OKLAHOMA THIS AFTERNOON AND THE UPPER LEVEL SYSTEM WILL MOVE EAST INTO NORTHEAST OKLAHOMA. SUBSTANTIAL MID LEVEL COOLING WILL OCCUR ACROSS THE AREA THIS AFTERNOON AS THE UPPER LEVEL SYSTEM MOVES INTO THE AREA. THIS WILL ALLOW THE CAP WHICH HAS BEEN IN PLACE OVER THE AREA THIS MORNING TO BREAK AND ALLOW THUNDERSTORMS TO DEVELOP. LOW LEVEL MOISTURE WILL ALSO CONTINUE TO INCREASE THIS AFTERNOON AND THIS WILL FURTHER DESTABILIZE THE ATMOSPHERE AND ALLOW SOME OF THE STORMS TO BECOME SEVERE. THE MAIN SEVERE WEATHER THREAT IS EXPECTED TO BE LARGE HAIL. THE COLDER AIR ALOFT MOVING INTO THE AREA WILL CAUSE THE STORMS TO BE EFFICIENT HAIL PRODUCERS. CONDITIONS DO NOT APPEAR FAVORABLE AT THIS TIME FOR DAMAGING WINDS AND TORNADOES AS THE BETTER WIND PROFILES FOR THIS TYPE OF ACTIVITY WILL BE SOUTH AND EAST OF THE AREA. THE SEVERE WEATHER THREAT SHOULD END BY 10 PM. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS IN THE SEVERE THUNDERSTORM WATCH AREA SHOULD BE ACTIVATING NOW. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS IN THE REST OF THE AREA SHOULD 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 |
|---|---|---|---|---|
| Mar 30, 1:35 PM CST | Severe Thunderstorm Warning | TSA | Creek | 40 min |
| Mar 30, 2:12 PM CST | Severe Thunderstorm Warning | TSA | Creek | 48 min |
| Mar 30, 2:35 PM CST | Severe Thunderstorm Warning | TSA | Okmulgee | 40 min |
| Mar 30, 4:21 PM CST | Severe Thunderstorm Warning | TSA | Cherokee | 39 min |
| Mar 30, 4:41 PM CST | Severe Thunderstorm Warning | TSA | Delaware | 49 min |
| Mar 30, 5:24 PM CST | Severe Thunderstorm Warning | TSA | Cherokee, Muskogee | 51 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; radar from the NEXRAD Level II archive.