Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 41, NWS Tulsa, OK

March 11, 2001Craig County, Nowata County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 11, 2001, 11:59 PM CST for Craig County, Nowata County, Oklahoma. It was in force for 61 min. 2 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 11, 2001, 11:59 PM CST (05:59 UTC)
Expired: Mar 12, 2001, 1:00 AM CST
In force: 61 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties Craig County, OK, Nowata County, OK

The radar

The Tulsa radar (KINX), 69 km from the middle of the area, began a volume at 05:59 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 12, 12:15 AM CST	Thunderstorm Wind	Nowata, OK	Thunderstorm winds blew down several large tree limbs.
Mar 12, 12:25 AM CST	Thunderstorm Wind	Vinita, OK	Thunderstorm winds blew down several large tree limbs at Big Cabin.

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, 6.0 hours before the alert went out and 144 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1830 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KTSA 120601
SVRTUL
OKC035-097-101-105-131-145-120700-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1159 PM CST SUN MAR 11 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
  NORTHERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
  CRAIG COUNTY IN NORTHEAST OKLAHOMA
  MAYES COUNTY IN NORTHEAST OKLAHOMA
  NOWATA COUNTY IN NORTHEAST OKLAHOMA
  ROGERS COUNTY IN NORTHEAST OKLAHOMA
  WAGONER COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 100 AM CST

* AT 1159 PM CST SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS UP
  TO 65 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 4 MILES
  WEST OF DELAWARE TO 4 MILES WEST OF CLAREMORE TO 2 MILES           
  NORTHEAST OF MORRIS...MOVING EAST AT 50 MPH. DIME SIZED HAIL WAS 
  ALSO REPORTED IN BARTLESVILLE AT 1145 PM.

* SOME LOCATIONS AFFECTED INCLUDE... HASKELL...TAFT...BOYNTON...
  KEEFETON...OKTAHA...MUSKOGEE...LANGLEY...PENSACOLA...ADAIR...
  SPAVINAW...SALINA...LOCUST GROVE...CHOUTEAU...PRYOR...WELCH...
  BLUEJACKET...WHITE OAK...BIG CABIN...VINITA...ONETA...COWETA...
  STONEBLUFF...OKAY...PORTER...TULLAHASSEE...WAGONER...CHELSEA...
  TALALA...OOLOGAH...FOYIL...TIAWAH...VERDIGRIS...CATOOSA...INOLA...
  CLAREMORE...NEW ALLUWE...WATOVA...LENAPAH...DELAWARE AND NOWATA.

$$

LAT...LON 3699 9579 3629 9583 3556 9574 3557 9524
          3594 9528 3639 9503 3701 9504

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 11, 11:22 PM CST	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee, Osage, Tulsa	53 min
Mar 11, 11:22 PM CST	Severe Thunderstorm Warning	TSA	Rogers, Wagoner, Washington	53 min
Mar 11, 11:59 PM CST	Severe Thunderstorm Warning	TSA	Mayes, Muskogee, Rogers, Wagoner	61 min
Mar 12, 12:29 AM CST	Severe Thunderstorm Warning	TSA	Cherokee, Delaware	61 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2001 Every 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.