Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 310, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 7, 1994, 10:41 PM CDT for Nowata County, Rogers County, Oklahoma. It was in force for 49 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1994, 10:41 PM CDT (03:41 UTC)
- Expired
- Jul 7, 1994, 11:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Nowata County, OK, Rogers County, OK
The radar
The Tulsa radar (KINX), 46 km from the middle of the area, began a volume at 03:44 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, 3.7 hours before the alert went out and 165 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
- 2119 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 849 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 301 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 13.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 080342 SVRTUL OKC105-131-080430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1041 PM CDT THU JUL 7 1994 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONSS... IN NORTHEAST OKLAHOMA ...NOWATA COUNTY...NORTHERN ROGERS COUNTY AT 1039 PM...RADAR INDICATED THE LEADING EDGE OF A LINE OF SEVERE THUNDERSTORMS FROM NEAR CENTRALIA TO TALALA TO AVANT...MOVING TO THE EAST AT ABOUT 20 MPH. NUMEROUS TREES HAVE BEEN BLOWN DOWN IN THE NOWATA AREA FROM THESE STORMS. HAIL TO THE SIZE OF NICKLES AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS. &
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 8:11 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 49 min |
| Jul 7, 8:25 PM CDT | Tornado Warning | TSA | Osage | 50 min |
| Jul 7, 9:10 PM CDT | Tornado Warning | TSA | Osage, Washington | 50 min |
| Jul 7, 9:51 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Rogers | 54 min |
| Jul 7, 10:11 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 49 min |
| Jul 7, 10:30 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 30 min |
| Jul 7, 10:58 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 32 min |
| Jul 7, 11:03 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Tulsa | 42 min |
| Jul 7, 11:08 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 52 min |
| Jul 7, 11:36 PM CDT | Severe Thunderstorm Warning | TSA | Delaware, Mayes | 54 min |
| Jul 7, 11:44 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa | 46 min |
| Jul 8, 12:00 AM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 30 min |
| Jul 8, 12:14 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa, Wagoner | 61 min |
| Jul 8, 1:33 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Wagoner | 57 min |
| Jul 8, 2:09 AM CDT | Severe Thunderstorm Warning | TSA | Adair | 51 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1994Every severe thunderstorm warning in 1994
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.