Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 27, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 14, 1996, 3:30 PM CST for Nowata County, Oklahoma. It was in force for 45 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
- Mar 14, 1996, 3:30 PM CST (21:30 UTC)
- Expired
- Mar 14, 1996, 4:15 PM CST
- In force
- 45 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 21:29 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 14, 3:45 PM CST | Hail 0.75 | Delaware, 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 12:00Z, 9.5 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
- 574 J/kg
- Mixed-layer CIN
- -245 J/kg
- Mixed-layer LCL
- 1025 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KTUL 142133 RRA SVRTUL OKC105-142215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 330 PM CST THU MAR 14 1996 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...NOWATA COUNTY AT 330 A SEVERE THUNDERSTORM WAS CENTERED 3 MILES SOUTHWEST OF THE TOWN OF DELAWARE OKLAHOMA IN NOWATA COUNTY. THE STORM WAS MOVING NORTHEAST ABOUT 30 MILES AN HOUR. ANOTHER SEVERE THUNDERSTORM WAS APPROACHING WANN IN NORTHWESTERN NOWATA COUNTY. THIS STORM WAS MOVING NORTHEAST AT 25 MPH. WANN AND DELAWARE ARE IN THE PATH OF THESE STORMS. HAIL TO THE SIZE OF NICKELS 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.
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 14, 10:32 AM CST, 4 hours 58 minutes earlier.
Area forecast discussion, Mar 14, 10:32 AM CST, 4 hours 58 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1030 AM CST THU MAR 14 1996 NOT SURE WHAT TO THINK. LOW LEVEL MOISTURE QUITE SHALLOW AS EXHIBITED BY NEIGHBORHOOD SOUNDINGS AND 8H CHART. YESTERDAY THOUGHT THERE WOULD BE LOW CLOUDS ACROSS THE AREA AT THIS TIME... BUT INSTEAD HAVE MID AND HIGH CLOUDS. THERE ARE LOW CLOUDS IN EASTERN TEXAS...BUT NOT SURE THEY WILL MAKE IT THIS FAR BEFORE DISSIPATING SINCE THERE IS A LOT OF DRY AIR ABOVE THEM TO MIX THEM OUT. HIGH CLOUD GLOBULE SEEMS TO BE MAKING STEADY PROGRESS NORTHEAST AND HAVE A FEELING MOST AREAS WILL BREAKOUT SOMETIME THIS AFTERNOON. TRENDS OF HIGH CLOUDS SEEM CLOSER TO THE NGM SOLUTION WHICH WOULD HAVE THE BEST LIFT OVER EASTERN KANSAS AND MISSOURI BY THIS EVENING. WITH SHALLOWNESS OF MOISTURE AND STRONG CAP INDICATED ON OUN AND FWD SOUNDINGS LIKE THE LOW POPS IN THE FORECAST. DO NOT REALLY LIKE THE MENTION OF SEVERE IN NORTHEAST OKLAHOMA...BUT DO NOT WANT TO HAVE TO YO-YO AND SPC DAY 1 STILL HAS US IN A SLIGHT RISK AREA ON UPDATE. WEAK COLD FRONT TO MOVE ACROSS THE AREA TONIGHT SO EVEN THOUGH BEST DYNAMICS BEING GONE LATE TONIGHT MENTION OF THUNDER ALL NIGHT SEEMS O.K. AIR MASS BEHIND THE FRONT LIKELY TO BE MORE STABLE AND SHOULD END THUNDERSTORM THREAT FOR A FEW DAYS. .TUL... OK...NONE. AR...NONE. ABBAS
In the hours before
Special weather statement, Mar 14, 1:01 PM CST, 2 hours 29 minutes before
OKZ054>077-ARZ001-002-010-011-019-029-151200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CST THU MAR 14 1996 A FEW SEVERE THUNDERSTORMS ARE EXPECTED LATE THIS AFTERNOON AND TONIGHT IN NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS. AT 100 PM...A SURFACE LOW PRESSURE SYSTEM WAS OVER WESTERN OKLAHOMA. THIS LOW WILL MOVE INTO CENTRAL OKLAHOMA LATER THIS AFTERNOON AND INTO EASTERN OKLAHOMA AND WEST CENTRAL ARKANSAS AROUND MIDNIGHT. THE LOW WILL BRING A DRY LINE INTO CENTRAL OKLAHOMA THIS AFTERNOON WITH A COLD FRONT DROPPING INTO NORTHEAST OKLAHOMA EARLY THIS EVENING. THIS COLD FRONT WILL MOVE ACROSS THE REST OF THE AREA OVERNIGHT. A FEW THUNDERSTORMS MAY DEVELOP ALONG AND AHEAD OF THE DRY LINE/COLD FRONT BY MID TO LATE AFTERNOON...MAINLY OVER NORTHEAST OKLAHOMA. A STRONG UPPER LEVEL DISTURBANCE CURRENTLY OVER WESTERN OKLAHOMA WILL BRING DRY MID LEVEL AIR AND COLDER MID LEVEL TEMPERATURES INTO EASTERN OKLAHOMA LATER THIS AFTERNOON. THIS WILL COMBINE WITH SURFACE DEWPOINTS IN THE MID 50S TO PRODUCE AN UNSTABLE ATMOSPHERE BY MID AFTERNOON. LARGE HAIL AND DAMAGING WINDS WILL BE THE MAIN SEVERE WEATHER THREATS. DURING THE EVENING AND TONIGHT...THUNDERSTORMS MAY CONTINUE FARTHER EAST AND SOUTH AS THE COLD FRONT DROPS THROUGH THE AREA. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS SHOULD CLOSELY MONITOR THIS WEATHER SITUATION AND BE PREPARED FOR POSSIBLE ACTIVATION LATE THIS AFTERNOON AND EARLY TONIGHT. THIS IS A SPECIAL ISSUANCE OF THE EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK. THESE OUTLOOKS ARE ISSUED DAILY FROM MID MARCH TO MID JUNE AND AS NEEDED AT OTHER TIMES OF THE YEAR. DAILY ISSUANCES OF THIS OUTLOOK WILL BEGIN THIS YEAR ON MONDAY MARCH 18TH.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 1:14 PM CST | Severe Thunderstorm Warning | TSA | Osage | 46 min |
| Mar 14, 1:56 PM CST | Severe Thunderstorm Warning | TSA | Osage | 49 min |
| Mar 14, 2:38 PM CST | Severe Thunderstorm Warning | TSA | Osage | 52 min |
| Mar 14, 3:11 PM CST | Severe Thunderstorm Warning | TSA | Washington | 49 min |
| Mar 14, 3:46 PM CST | Severe Thunderstorm Warning | TSA | Craig | 44 min |
| Mar 14, 4:33 PM CST | Severe Thunderstorm Warning | TSA | Creek | 42 min |
| Mar 14, 4:43 PM CST | Tornado Warning | TSA | Creek | 32 min |
| Mar 14, 4:54 PM CST | Tornado Warning | TSA | Creek | 51 min |
| Mar 14, 5:01 PM CST | Tornado Warning | TSA | Creek | 29 min |
| Mar 14, 5:09 PM CST | Tornado Warning | TSA | Tulsa | 51 min |
| Mar 14, 5:14 PM CST | Tornado Warning | TSA | Creek | 31 min |
| Mar 14, 5:30 PM CST | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 45 min |
| Mar 14, 5:37 PM CST | Tornado Warning | TSA | Wagoner | 53 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.