Alert archive / Oklahoma / Tornado Warnings in 1998
Tornado Warning 2, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Mar 30, 1998, 6:46 PM CST for Cherokee County, Muskogee County, Oklahoma. It was in force for 44 min. 6 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, 1998, 6:46 PM CST (00:46 UTC)
- Expired
- Mar 30, 1998, 7:30 PM CST
- In force
- 44 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Cherokee County, OK, Muskogee County, OK
The radar
The Tulsa radar (KINX), 57 km from the middle of the area, began a volume at 00:49 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, 6:46 PM CST | Hail 0.88 | Warner, OK | |
| Mar 30, 7:00 PM CST | Hail 0.88 | Keefeton, OK | |
| Mar 30, 7:12 PM CST | Hail 0.75 | Tahlequah, OK | |
| Mar 30, 7:28 PM CST | Thunderstorm Wind 52 | Tahlequah, OK | |
| Mar 30, 7:32 PM CST | Hail 0.75 | Braggs, OK | |
| Mar 30, 7:32 PM CST | Thunderstorm Wind 61 | Braggs, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 30, 1:00 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 0.8 hours before the alert went out and 178 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
- 368 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1388 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 247 m²/s²
- 0-3 km storm-relative helicity
- 389 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
457 WFUS54 KTSA 310045 RRA TORTUL OKC021-101-310130- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TULSA OK 646 PM CST MON MAR 30 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 730 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL OKLAHOMA ...CHEROKEE COUNTY ...EASTERN MUSKOGEE COUNTY DOPPLER RADAR CONTINUED TO SHOW A POSSIBLE TORNADO NEAR WARNER AT 643 PM. THE STORM WAS MOVING NORTHEAST AT 50 MPH. THE STORM WILL PASS BETWEEN WEBBERS FALLS AND BRAGGS. SPOTTERS CONTINUE TO REPORT A TORNADO MAY BE DEVELOPING WITH THIS STORM. LARGE HAIL AND DAMAGING WINDS ARE ALSO LIKELY WITH THIS STORM. IF YOU ARE CAUGHT OUTSIDE...SEEK SAFETY IN A NEARBY STURDY BUILDING. AS A LAST RESORT... SEEK REFUGE IN A CULVERT... DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. BEWARE THE THREAT OF RISING WATER.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 6:14 PM CST | Severe Thunderstorm Warning | TSA | Muskogee | 46 min |
| Mar 30, 6:23 PM CST | Tornado Warning | TSA | McIntosh | 37 min |
| Mar 30, 6:32 PM CST | Severe Thunderstorm Warning | TSA | Pushmataha | 43 min |
| Mar 30, 6:40 PM CST | Severe Thunderstorm Warning | TSA | Haskell, Latimer | 50 min |
| Mar 30, 6:51 PM CST | Severe Thunderstorm Warning | TSA | Sequoyah | 39 min |
| Mar 30, 6:53 PM CST | Severe Thunderstorm Warning | TSA | Pittsburg | 52 min |
| Mar 30, 6:54 PM CST | Tornado Warning | TSA | Sequoyah | 51 min |
| Mar 30, 7:26 PM CST | Tornado Warning | TSA | Adair, Cherokee | 49 min |
| Mar 30, 7:30 PM CST | Severe Thunderstorm Warning | TSA | Latimer, LeFlore, Pushmataha | 45 min |
| Mar 30, 7:30 PM CST | Severe Thunderstorm Warning | TSA | Haskell | 45 min |
| Mar 30, 7:33 PM CST | Tornado Warning | TSA | Sequoyah | 42 min |
| Mar 30, 7:38 PM CST | Severe Thunderstorm Warning | TSA | Delaware | 52 min |
| Mar 30, 7:58 PM CST | Severe Thunderstorm Warning | TSA | Ottawa | 32 min |
| Mar 30, 8:12 PM CST | Severe Thunderstorm Warning | TSA | LeFlore | 48 min |
| Mar 30, 8:53 PM CST | Severe Thunderstorm Warning | TSA | LeFlore | 22 min |
Nearby
Tornado Warnings in Oklahoma, 1998Every tornado warning in 1998Tornadoes in 1998
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.