Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 340, NWS Tulsa, OK

August 1, 2003Delaware County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 1, 2003, 7:26 PM CDT for Delaware County, Oklahoma. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 1, 2003, 7:26 PM CDT (00:26 UTC)
Expired: Aug 1, 2003, 8:15 PM CDT
In force: 49 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Delaware County, OK

The radar

The Tulsa radar (KINX), 70 km from the middle of the area, began a volume at 00:29 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 1, 5:40 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.4 hours before the alert went out and 107 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: 483 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 1986 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 280 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

146 
WUUS54 KTSA 020026
SVRTUL
OKC041-020115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
726 PM CDT FRI AUG 1 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
  DELAWARE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 815 PM CDT

* AT 726 PM CDT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS UP TO
  70 MPH WERE LOCATED ALONG A LINE EXTENDING FROM DISNEY TO 4        
  MILES SOUTH OF LEACH...MOVING EAST AT 20 MPH.

* SOME LOCATIONS AFFECTED INCLUDE... JAY...LEACH...TWIN OAKS...
  KANSAS...COLCORD...CHLOETA...CLEORA...GROVE...WEST SILOAM
  SPRINGS...DISNEY AND MAYSVILLE.

DAMAGING WINDS ARE LIKELY WITH THESE STORMS...MOVE TO A SAFE PLACE
NOW. MOBILE HOMES AND VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO HIGH
WINDS AND MAY BE OVERTURNED.

LAT...LON 3660 9503 3618 9505 3616 9456 3666 9459

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 7:11 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	49 min
Aug 1, 7:40 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	50 min
Aug 1, 7:44 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Sequoyah	61 min
Aug 1, 8:05 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	40 min
Aug 1, 8:15 PM CDT	Severe Thunderstorm Warning	TSA	Haskell	45 min
Aug 1, 8:28 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore	77 min
Aug 1, 8:40 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	50 min
Aug 1, 8:56 PM CDT	Severe Thunderstorm Warning	TSA	Haskell	34 min
Aug 2, 12:38 AM CDT	Severe Thunderstorm Warning	TSA	Osage	52 min
Aug 2, 12:57 AM CDT	Severe Thunderstorm Warning	TSA	Washington	48 min
Aug 2, 1:28 AM CDT	Severe Thunderstorm Warning	TSA	Osage	62 min
Aug 2, 1:50 AM CDT	Severe Thunderstorm Warning	TSA	Washington	40 min
Aug 2, 2:14 AM CDT	Severe Thunderstorm Warning	TSA	Pawnee	46 min
Aug 2, 4:10 AM CDT	Flash Flood Warning	TSA	Tulsa	4 hr
Aug 2, 5:25 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee	65 min
Aug 2, 6:55 AM CDT	Flash Flood Warning	TSA	Wagoner	3 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2003 Every severe thunderstorm warning in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.