Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 71, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 30, 1997, 12:09 AM CST for LeFlore County, Oklahoma. It was in force for 36 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 30, 1997, 12:09 AM CST (06:09 UTC)
- Expired
- Mar 30, 1997, 12:45 AM CST
- In force
- 36 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County LeFlore County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 30, 12:11 AM CST | Thunderstorm Wind | Talihina, OK | Severe thunderstorms moved across eastern Oklahoma during the evening of March 29th and very early morning of March 30th. Strong thunderstorm winds damaged the press building at a football field in Talihina, and an outbuilding was blown over in Henryetta. Tree |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 29, 10:30 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 6.2 hours before the alert went out and 237 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
- 2116 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 243 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 300611 RRA SVRTUL OKC079-300645- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1209 AM CST SUN MAR 30 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST OKLAHOMA ...LE FLORE COUNTY AT 12:09 AM...RADAR INDICATED A LINE OF THUNDERSTORMS FROM POCOLA TO POTEAU TO WHITESBORO MOVING EASdT AT 30 MPH. THE STRONGEST STORMS WILL MOVE THROUGH HEAVENER...POTEAU...MUSE AND WISTER. KEEP TUNED TO THIS STATION FOR THE 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 29, 9:00 PM CST, 3 hours 9 minutes earlier.
Area forecast discussion, Mar 29, 9:00 PM CST, 3 hours 9 minutes before
FPUS3 KTUL 300257 COR AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 900 PM CST SAT MAR 29 1997 DID A QUICK UPDATED TO SIMPLIFY SKY CONDITION...ADJUST POPS A BIT AND ADD THE MENTION OF THUNDER TO PLACES THAT DID NOT HAVE IT ALREADY. .TUL... OK...NONE. AR...NONE. ABBAS
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 8:50 PM CST | Severe Thunderstorm Warning | TSA | Creek | 55 min |
| Mar 29, 9:26 PM CST | Severe Thunderstorm Warning | TSA | Okfuskee | 49 min |
| Mar 29, 9:30 PM CST | Severe Thunderstorm Warning | TSA | Okmulgee | 45 min |
| Mar 29, 9:49 PM CST | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 56 min |
| Mar 29, 10:12 PM CST | Severe Thunderstorm Warning | TSA | Okfuskee | 33 min |
| Mar 29, 10:42 PM CST | Severe Thunderstorm Warning | TSA | McIntosh, Pittsburg | 63 min |
| Mar 29, 11:10 PM CST | Severe Thunderstorm Warning | TSA | Haskell, Sequoyah | 65 min |
| Mar 29, 11:10 PM CST | Severe Thunderstorm Warning | TSA | Adair | 65 min |
| Mar 29, 11:20 PM CST | Severe Thunderstorm Warning | TSA | Latimer, LeFlore | 55 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.