Alert archive / Oklahoma / Tornado Warnings in 2000

Tornado Warning 12, NWS Tulsa, OK

March 26, 2000Adair County, Sequoyah County, Oklahoma; Crawford County, Arkansas

NWS Tulsa, OK issued this tornado warning at Mar 26, 2000, 5:25 PM CST for Adair County, Sequoyah County, Oklahoma; Crawford County, Arkansas. It was in force for 50 min. 2 reports 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: Mar 26, 2000, 5:25 PM CST (23:25 UTC)
Expired: Mar 26, 2000, 6:15 PM CST
In force: 50 min
Issued by: NWS Tulsa, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Crawford County, AR, Adair County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 40 km from the middle of the area, began a volume at 23:27 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 26, 5:30 PM CST	Hail 1.75	Stilwell, OK
Mar 26, 5:45 PM CST	Hail 0.88	Short, 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 26, 2:30 PM CST	Severe Thunderstorm Watch	SPC	6 hr
Mar 26, 4:00 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.4 hours before the alert went out and 153 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: 4 J/kg
Mixed-layer CIN: -239 J/kg
Mixed-layer LCL: 1224 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 262326
TORTUL
ARC033-OKC001-135-270015-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
525 PM CST SUN MAR 26 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
  EASTERN SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA
  SOUTHEASTERN ADAIR COUNTY IN NORTHEAST OKLAHOMA
  CRAWFORD COUNTY IN NORTHWEST ARKANSAS

* UNTIL 615 PM CST

* AT 525 PM CST...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
  ROTATION 12 MILES NORTHWEST OF NATURAL DAM. MOVING SOUTHEAST AT 35
  MPH...THIS DANGEROUS STORM COULD PRODUCE A TORNADO AT ANY TIME.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...  RUDY...
  FIGURE FIVE...NATURAL DANM...CEDARVILLE AND SHORT

IN ADDITION TO THE THREAT OF A TORNADO...LARGE HAIL AND DAMAGING
STRAIGHT LINE WINDS CAN BE EXPECTED WITH THIS STORM. GO TO A SAFE
PLACE NOW!

LAT...LON 3579 9453 3570 9466 3541 9446 3552 9421

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 9:36 AM CST	Severe Thunderstorm Warning	TSA	Osage, Pawnee	54 min
Mar 26, 11:56 AM CST	Severe Thunderstorm Warning	TSA	Delaware	34 min
Mar 26, 3:08 PM CST	Severe Thunderstorm Warning	TSA	Osage	52 min
Mar 26, 3:41 PM CST	Severe Thunderstorm Warning	TSA	Mayes, Rogers	49 min
Mar 26, 3:51 PM CST	Severe Thunderstorm Warning	TSA	Osage, Tulsa	39 min
Mar 26, 3:54 PM CST	Severe Thunderstorm Warning	TSA	McIntosh	51 min
Mar 26, 4:04 PM CST	Severe Thunderstorm Warning	TSA	Okfuskee	56 min
Mar 26, 4:08 PM CST	Tornado Warning	TSA	Tulsa	37 min
Mar 26, 4:18 PM CST	Severe Thunderstorm Warning	TSA	Cherokee, Delaware, Mayes	42 min
Mar 26, 4:32 PM CST	Severe Thunderstorm Warning	TSA	Creek	43 min
Mar 26, 4:38 PM CST	Tornado Warning	TSA	Tulsa	37 min
Mar 26, 4:38 PM CST	Tornado Warning	TSA	McIntosh, Muskogee	52 min
Mar 26, 4:38 PM CST	Tornado Warning	TSA	Muskogee, Okmulgee, Wagoner	37 min
Mar 26, 4:41 PM CST	Severe Thunderstorm Warning	TSA	Adair	49 min
Mar 26, 4:48 PM CST	Severe Thunderstorm Warning	TSA	Okmulgee	42 min
Mar 26, 4:52 PM CST	Severe Thunderstorm Warning	TSA	Cherokee	53 min
Mar 26, 4:53 PM CST	Tornado Warning	TSA	Haskell	52 min
Mar 26, 5:13 PM CST	Severe Thunderstorm Warning	TSA	Muskogee, Wagoner	47 min
Mar 26, 5:13 PM CST	Severe Thunderstorm Warning	TSA	McIntosh	47 min
Mar 26, 5:21 PM CST	Severe Thunderstorm Warning	TSA	Adair, Sequoyah	39 min
Mar 26, 5:38 PM CST	Severe Thunderstorm Warning	TSA	Sequoyah	52 min
Mar 26, 5:43 PM CST	Severe Thunderstorm Warning	TSA	Pittsburg	77 min
Mar 26, 5:45 PM CST	Tornado Warning	TSA	Haskell	45 min
Mar 26, 5:49 PM CST	Tornado Warning	TSA	Pittsburg	41 min
Mar 26, 5:56 PM CST	Severe Thunderstorm Warning	TSA	Haskell, Muskogee	49 min
Mar 26, 5:00 PM CST	Severe Thunderstorm Warning	TSA	Washington	45 min
Mar 26, 5:34 PM CST	Severe Thunderstorm Warning	TSA	Sebastian	41 min
Mar 26, 5:45 PM CST	Severe Thunderstorm Warning	TSA	Franklin, Madison, Washington	60 min

Nearby

Tornado Warnings in Oklahoma, 2000 Tornado Warnings in Arkansas, 2000 Every tornado warning in 2000 Tornadoes in 2000

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.