Alert archive / Texas / Mesoscale Discussions in 2007
Mesoscale Discussion 654
The Storm Prediction Center issued this mesoscale discussion at May 2, 2007, 6:54 PM CDT for Bryan County, Love County, Marshall County, Oklahoma; 60 counties in Texas. It was in force for 81 min.
The area
The outline as issued.
The facts
- Issued
- May 2, 2007, 6:54 PM CDT (23:54 UTC)
- Expired
- May 2, 2007, 8:15 PM CDT
- In force
- 81 min
- Issued by
- the Storm Prediction Center
- Concerning
- Tornado watch 211
All 63 counties
Bryan County, OK, Love County, OK, Marshall County, OK, Anderson County, TX, Bell County, TX, Bosque County, TX, Brazos County, TX, Burnet County, TX, Camp County, TX, Cherokee County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Fannin County, TX, Franklin County, TX, Freestone County, TX, Grayson County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Houston County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Lamar County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, Madison County, TX, McLennan County, TX, Milam County, TX, Mills County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Red River County, TX, Robertson County, TX, Rockwall County, TX, Smith County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Walker County, TX, Williamson County, TX, Wise County, TX, Wood County, TX, Young County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 65 km from the middle of the area, began a volume at 23:54 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
Fort Worth, TX (KFWD), launched 12:00Z, 11.9 hours before the alert went out and 93 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
- 657 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 7:08 PM CDT | Mesoscale Discussion | SPC | Austin, Bandera, Bastrop, Bexar, Blanco, Brazos and 29 more | 97 min |
| May 2, 7:19 AM CDT | Mesoscale Discussion | SPC | Andrews, Dawson, Ector, Gaines, Loving, Martin and 4 more | 2 hr |
| May 2, 7:40 AM CDT | Mesoscale Discussion | SPC | Crane, Crockett, Ector, Loving, Midland, Pecos and 7 more | 2 hr |
| May 2, 8:02 AM CDT | Severe Thunderstorm Watch | SPC | Andrews, Borden, Coke, Crane, Crockett, Dawson and 20 more | 6 hr |
| May 2, 10:11 AM CDT | Mesoscale Discussion | SPC | Brewster, Crane, Crockett, Glasscock, Howard, Irion and 7 more | 94 min |
| May 2, 12:07 PM CDT | Mesoscale Discussion | SPC | Culberson, Hudspeth, Jeff Davis, Loving, Reeves | 113 min |
| May 2, 12:39 PM CDT | Mesoscale Discussion | SPC | Bandera, Brown, Callahan, Coke, Coleman, Comanche and 29 more | 66 min |
| May 2, 12:50 PM CDT | Tornado Watch | SPC | Bandera, Brown, Burnet, Callahan, Coke, Coleman and 31 more | 6 hr |
| May 2, 1:53 PM CDT | Severe Thunderstorm Watch | SPC | Andrews, Crane, Culberson, Dawson, Ector, Gaines and 14 more | 7 hr |
| May 2, 2:38 PM CDT | Mesoscale Discussion | SPC | Bosque, Coryell, Dallas, Denton, Ellis, Erath and 16 more | 2 hr |
| May 2, 3:08 PM CDT | Mesoscale Discussion | SPC | Dimmit, Frio, Kinney, Maverick, Uvalde, Val Verde and 1 more | 97 min |
| May 2, 3:43 PM CDT | Tornado Watch | SPC | Anderson, Bell, Bosque, Collin, Comanche, Cooke and 33 more | 6 hr |
| May 2, 5:08 PM CDT | Mesoscale Discussion | SPC | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burleson and 20 more | 67 min |
| May 2, 5:53 PM CDT | Tornado Watch | SPC | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 7 hr |
| May 2, 6:05 PM CDT | Mesoscale Discussion | SPC | Andrews, Brewster, Cochran, Coke, Crane, Culberson and 22 more | 85 min |
| May 2, 6:52 PM CDT | Tornado Watch | SPC | Brewster, Crockett, Jeff Davis, Pecos, Presidio, Terrell | 3 hr |
Nearby
Mesoscale Discussions in Texas, 2007Mesoscale Discussions in Oklahoma, 2007Every mesoscale discussion in 2007
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.