Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 56, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 27, 1997, 8:29 PM CST for Rogers County, Oklahoma. It was in force for 16 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 27, 1997, 8:29 PM CST (02:29 UTC)
- Expired
- Mar 27, 1997, 8:45 PM CST
- In force
- 16 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Rogers County, OK
The radar
The Tulsa radar (KINX), 22 km from the middle of the area, began a volume at 02:33 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 27, 8:35 PM CST | Hail 0.88 | Inola, 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 00:00Z, 2.5 hours before the alert went out and 171 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
- 2598 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 276 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 280230 RRA SVRTUL OKC131-280245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 829 PM CST THU MAR 27 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...SOUTHEAST ROGERS COUNTY AT 828 PM...RADAR INDICATED A SEVERE THUNDERSTORM NEAR INOLA...MOVING NORTHEAST AT 35 MPH. PERSONS ACROSS SOUTHEAST ROGERS COUNTY SHOULD STAY IN A PLACE OF SAFETY UNTIL THE STORM PASSES. HAIL TO THE SIZE OF GOLFBALLS AND WIND GUSTS TO 70 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. KEEP TUNED TO THIS STATION FOR THEN 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 Mar 27, 7:51 PM CST, 38 minutes earlier.
Area forecast discussion, Mar 27, 7:51 PM CST, 38 minutes before
FPUS3 KTUL 280151
AFDTUL
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
751 PM CST THU MAR 27 1997
NOT MUCH TIME FOR DISCUSSION. ISOLD SUPERCELL THUNDERSTORM OVR KTUL
ATTM CONTINUES TO REMAIN INTENSE AND WAS MOVG NE. OTHER LINE OF
STORMS HAS MOVED THRU NW ARK...MOSTLY OUT OF THE FA AS OF 0150Z.
OTHER SCTD STORMS WERE LOCATED NEAR COLD UPR SYSM OVR NW OKLA/SOUTH
CNTRL KS. WL ISSUE A QUICK UPDATE TO INCRS POPS SLIGHTLY OVR NE
OKLA. ACTIVITY STILL EXPECTED TO DIMINISH AFTER MIDNITE AS UPR
LOW ACCELERATES AWAY.
/9
.TUL...
OK...NONE.
AR...NONE.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 6:16 PM CST | Severe Thunderstorm Warning | TSA | Creek | 59 min |
| Mar 27, 6:51 PM CST | Tornado Warning | TSA | Creek | 54 min |
| Mar 27, 7:10 PM CST | Severe Thunderstorm Warning | TSA | Tulsa | 50 min |
| Mar 27, 7:46 PM CST | Severe Thunderstorm Warning | TSA | Rogers, Wagoner | 44 min |
| Mar 27, 7:55 PM CST | Tornado Warning | TSA | Tulsa | 35 min |
| Mar 27, 8:26 PM CST | Severe Thunderstorm Warning | TSA | Mayes | 49 min |
| Mar 27, 9:03 PM CST | Severe Thunderstorm Warning | TSA | Delaware, Mayes | 42 min |
| Mar 27, 9:40 PM CST | Severe Thunderstorm Warning | TSA | Delaware | 35 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1997Every severe thunderstorm warning in 1997
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.