Alert archive / Oklahoma / Mesoscale Discussions in 2004

Mesoscale Discussion 162

March 4, 2004Crawford County, Sebastian County, Washington County, Arkansas; 39 counties in Oklahoma; 5 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 4, 2004, 9:28 AM CST for Crawford County, Sebastian County, Washington County, Arkansas; 39 counties in Oklahoma; 5 counties in Texas. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued
Mar 4, 2004, 9:28 AM CST (15:28 UTC)
Expired
Mar 4, 2004, 10:30 AM CST
In force
62 min
Issued by
the Storm Prediction Center
All 47 counties

Crawford County, AR, Sebastian County, AR, Washington County, AR, Adair County, OK, Atoka County, OK, Bryan County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Cleveland County, OK, Coal County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garvin County, OK, Haskell County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Love County, OK, Marshall County, OK, Mayes County, OK, McClain County, OK, McCurtain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Stephens County, OK, Tulsa County, OK, Wagoner County, OK, Cooke County, TX, Fannin County, TX, Grayson County, TX, Lamar County, TX, Montague County, TX

The radar

The Norman radar (KTLX), 120 km from the middle of the area, began a volume at 15:28 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 3.5 hours before the alert went out and 123 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-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2004-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2004-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 439 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
441 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
439 m²/s²
0-3 km storm-relative helicity
531 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.

152 
ACUS11 KWNS 041528
SWOMCD
SPC MCD 041528 
ARZ000-MOZ000-OKZ000-TXZ000-041630-

MESOSCALE DISCUSSION 0162
NWS STORM PREDICTION CENTER NORMAN OK
0928 AM CST THU MAR 04 2004

AREAS AFFECTED...NRN TX...CENTRAL/ERN OK...NWRN AR

CONCERNING...OUTLOOK UPGRADE 

VALID 041528Z - 041630Z

...AN UPGRADE TO A HIGH RISK OF SEVERE THUNDERSTORMS WILL BE ISSUED
AT 1630Z...

A HIGH RISK OF SEVERE THUNDERSTORMS WILL BE ISSUED AT 1630Z DAY1
OUTLOOK.  AN OUTBREAK OF TORNADOES...DAMAGING WINDS AND LARGE HAIL
WILL ACCOMPANY THE STRONGEST STORMS AS THEY DEVELOP NEWD ACROSS NRN
TX...CENTRAL/ERN OK INTO NWRN AR.  REFER TO THE 1630Z DAY1 OUTLOOK
FOR MORE DETAILS.

..DARROW.. 03/04/2004

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LZK...SGF...SHV...TSA...FWD...OUN...

33649815 35409755 36869531 36099378 34219432 33319604

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 4, 1:25 PM CSTMesoscale DiscussionSPCBenton, Carroll, Crawford, Franklin, Johnson, Logan and 7 more65 min
Mar 4, 2:05 PM CSTTornado WatchSPCBenton, Boone, Carroll, Crawford, Franklin, Madison and 3 more6 hr
Mar 4, 2:18 PM CSTMesoscale DiscussionSPCClark, Columbia, Garland, Hempstead, Hot Spring, Howard and 11 more57 min
Mar 4, 3:00 PM CSTTornado WatchSPCClark, Columbia, Garland, Hempstead, Hot Spring, Howard and 14 more6 hr
Mar 4, 4:41 PM CSTMesoscale DiscussionSPCCalhoun, Clark, Columbia, Dallas, Garland, Grant and 16 more2 hr
Mar 4, 5:32 PM CSTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Fulton, Madison and 3 more118 min
Mar 4, 1:56 AM CSTMesoscale DiscussionSPCBeckham, Caddo, Canadian, Carter, Cleveland, Comanche and 15 more94 min
Mar 4, 2:00 AM CSTSevere Thunderstorm WatchSPCBeckham, Blaine, Caddo, Canadian, Carter, Cleveland and 23 more5 hr
Mar 4, 2:44 AM CSTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 36 more3 hr
Mar 4, 5:01 AM CSTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Carter, Cleveland and 24 more119 min
Mar 4, 6:55 AM CSTSevere Thunderstorm WatchSPCBeckham, Custer, Dewey, Ellis, Greer, Harmon and 6 more6 hr
Mar 4, 7:20 AM CSTSevere Thunderstorm WatchSPCAlfalfa, Blaine, Caddo, Canadian, Cleveland, Comanche and 23 more6 hr
Mar 4, 7:55 AM CSTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Canadian, Custer, Dewey and 17 more3 hr
Mar 4, 9:45 AM CSTTornado WatchSPCCaddo, Canadian, Cleveland, Comanche, Cotton, Garvin and 8 more5 hr
Mar 4, 11:52 AM CSTMesoscale DiscussionSPCCarter, Cleveland, Comanche, Cotton, Garvin, Grady and 7 more53 min
Mar 4, 1:02 PM CSTMesoscale DiscussionSPCCaddo, Canadian, Cleveland, Comanche, Cotton, Garvin and 6 more88 min
Mar 4, 2:02 PM CSTMesoscale DiscussionSPCCanadian, Carter, Cleveland, Comanche, Creek, Garvin and 12 more88 min
Mar 3, 7:03 PM CSTMesoscale DiscussionSPCAndrews, Borden, Coke, Crane, Crockett, Dawson and 25 more117 min
Mar 3, 8:40 PM CSTSevere Thunderstorm WatchSPCAndrews, Borden, Cottle, Crane, Crosby, Dawson and 20 more5 hr
Mar 3, 11:44 PM CSTMesoscale DiscussionSPCAndrews, Borden, Crane, Crosby, Dawson, Dickens and 16 more2 hr
Mar 4, 4:25 AM CSTTornado WatchSPCCallahan, Coke, Coleman, Concho, Crockett, Fisher and 23 more6 hr
Mar 4, 5:32 AM CSTMesoscale DiscussionSPCCallahan, Coke, Coleman, Concho, Crockett, Fisher and 23 more118 min
Mar 4, 8:43 AM CSTMesoscale DiscussionSPCArcher, Baylor, Callahan, Coke, Coleman, Concho and 26 more62 min
Mar 4, 10:46 AM CSTMesoscale DiscussionSPCAtascosa, Bandera, Bell, Bexar, Blanco, Bosque and 27 more89 min
Mar 4, 11:50 AM CSTTornado WatchSPCBandera, Bell, Blanco, Bosque, Brown, Burnet and 42 more5 hr
Mar 4, 11:52 AM CSTMesoscale DiscussionSPCAustin, Brazoria, Brazos, Burleson, Chambers, Colorado and 15 more113 min
Mar 4, 1:42 PM CSTMesoscale DiscussionSPCBell, Blanco, Bosque, Burnet, Collin, Coryell and 17 more63 min

Nearby

Mesoscale Discussions in Oklahoma, 2004Mesoscale Discussions in Texas, 2004Mesoscale Discussions in Arkansas, 2004Every mesoscale discussion in 2004

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.