Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 93, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 22, 2001, 8:07 PM CDT for Craig County, Oklahoma. It was in force for 38 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Apr 22, 2001, 8:07 PM CDT (01:07 UTC)
- Expired
- Apr 22, 2001, 8:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Craig County, OK
The radar
The Tulsa radar (KINX), 79 km from the middle of the area, began a volume at 01:10 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 |
|---|---|---|---|
| Apr 22, 8:20 PM CDT | Thunderstorm Wind | Centralia, OK | Thunderstorms winds destroyed a barn. When the barn was destroyed two horses were killed. |
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 |
|---|---|---|---|
| Apr 22, 7:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.1 hours before the alert went out and 133 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
- 19 J/kg
- Mixed-layer CIN
- -256 J/kg
- Mixed-layer LCL
- 1428 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KTSA 230108
SVRTUL
OKC035-230145-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
807 PM CDT SUN APR 22 2001
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR
CRAIG COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 845 PM CDT
* AT 807 PM CDT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS UP TO
65 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES EAST OF
COFFEYVILLE TO 6 MILES NORTHWEST OF CENTRALIA TO 3 MILES
WEST OF NEW ALLUWE...MOVING NORTHEAST AT 55 MPH.
* SOME LOCATIONS AFFECTED INCLUDE... WELCH AND BLUEJACKET.
DAMAGING WINDS ARE LIKELY WITH THESE STORMS...MOVE TO A SAFE PLACE
NOW.
A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY
FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS.
LAT...LON 3700 9546 3680 9542 3659 9543 3671 9500
3700 9502What 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 Apr 22, 7:50 PM CDT, 17 minutes earlier.
Area forecast discussion, Apr 22, 7:50 PM CDT, 17 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 750 PM CDT SUN APR 22 2001 SENT AN UPDATED ZONE PACKAGE TO REFLECT NEW TORNADO WATCH FOR ERN OK AND PARTS OF NW AR. LINE OF STORMS EXTEND FROM NOWATA COUNTY SOUTHWEST INTO OKFUSKEE COUNTY. LINE HAS EXHIBITED SLOWER MOVEMENT...SO ADJUSTED TIMING OF STORMS WORDED FOR SLIGHTLY LATER. STILL EXPECT STORMS TO CLEAR ALL OF THE ERN PORTION OF CWA LATE TONIGHT. COOLER AND DRIER CONDITIONS EXPECTED FOR MONDAY. FCSTID = 23 .TSA... AR...TORNADO WATCH UNTIL 100 AM CDT MONDAY FOR ZONES ARZ001... ARZ010...ARZ019...ARZ029. OK...TORNADO WATCH UNTIL 100 AM CDT MONDAY FOR ZONES OKZ049... OKZ053>058...OKZ060>076.
In the hours before
Local storm report, Apr 22, 6:15 PM CDT, 1 hour 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
615 PM CDT SUN APR 22 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0550 PM OILTON OK 60 MPH TSTM GUST
04/22/01 CREEK OILTON EMERGENCY MANAGER
0550 PM 2 N OILTON OK .75 INCH HAIL
04/22/01 CREEK SPOTTER REPORTLocal storm report, Apr 22, 6:35 PM CDT, 1 hour 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
635 PM CDT SUN APR 22 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0614 PM WYNONA OK 60 MPH TSTM GUST
04/22/01 OSAGE SPOTTER REPORTThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 7:25 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 50 min |
| Apr 22, 7:41 PM CDT | Severe Thunderstorm Warning | TSA | Rogers | 49 min |
| Apr 22, 8:29 PM CDT | Severe Thunderstorm Warning | TSA | Okmulgee | 46 min |
| Apr 23, 12:52 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Delaware | 53 min |
| Apr 23, 2:45 AM CDT | Severe Thunderstorm Warning | TSA | Choctaw | 60 min |
| Apr 23, 3:23 AM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 67 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2001Every severe thunderstorm warning in 2001
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.