Alert archive / Texas / Freeze Warnings in 2007
Freeze Warning 2, NWS Fort Worth, TX
NWS Fort Worth, TX issued this freeze warning at Nov 21, 2007, 11:11 AM CST for 9 counties in Texas. It took effect at Nov 21, 2007, 7:34 PM CST. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 21, 2007, 11:11 AM CST (17:11 UTC)
- In effect from
- Nov 21, 2007, 7:34 PM CST
- Expired
- Nov 22, 2007, 8:00 AM CST
- In force
- 12 hr
- Issued by
- NWS Fort Worth, TX
Counties Cooke County, TX, Eastland County, TX, Jack County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Stephens County, TX, Wise County, TX, Young County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 95 km from the middle of the area, began a volume at 17:11 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 nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 5.2 hours before the alert went out and 83 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
- 1524 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 656 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 297 m²/s²
- 0-3 km storm-relative helicity
- 355 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 12.8
What forecasters said that day
The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Fort Worth, TX wrote its last area forecast discussion before this freeze warning went out at Nov 21, 11:10 AM CST, 1 minute earlier.
Area forecast discussion, Nov 21, 11:10 AM CST, 1 minute before
<!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>Hazardous weather outlook, Nov 21, 4:00 AM CST, 7 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK FOR NORTH TEXAS NATIONAL WEATHER SERVICE FORT WORTH TX 400 AM CST WED NOV 21 2007 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-221100- ANDERSON-BELL-BOSQUE-COLLIN-COMANCHE-COOKE-CORYELL-DALLAS-DELTA- DENTON-EASTLAND-ELLIS-ERATH-FALLS-FANNIN-FREESTONE-GRAYSON-HAMILTON- HENDERSON-HILL-HOOD-HOPKINS-HUNT-JACK-JOHNSON-KAUFMAN-LAMAR-LAMPASAS- LEON-LIMESTONE-MCLENNAN-MILAM-MILLS-MONTAGUE-NAVARRO-PALO PINTO- PARKER-RAINS-ROBERTSON-ROCKWALL-SOMERVELL-STEPHENS-TARRANT-VAN ZANDT- WISE-YOUNG- 400 AM CST WED NOV 21 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE... ISOLATED THUNDERSTORMS ARE POSSIBLE MAINLY EAST OF THE INTERSTATE 35 CORRIDOR TODAY. THUNDERSTORMS SHOULD REMAIN BELOW SEVERE LEVELS...BUT CLOUD TO GROUND LIGHTNING WILL BE A HAZARD. OTHERWISE...STRONG NORTHERLY WINDS WITH GUSTS UP TO 30 MPH WILL BE POSSIBLE BEHIND A STRONG COLD FRONT TODAY. THESE WINDS COMBINED WITH LOW RELATIVE HUMIDITY WILL RESULT IN AN ELEVATED GRASS FIRE DANGER TODAY. FOR TONIGHT...TEMPERATURES WILL COOL INTO THE LOW TO MID 30S ACROSS MUCH OF NORTH TEXAS. MANY LOCATIONS ALONG AND TO THE NORTH OF A COMANCHE...TO WEATHERFORD...TO SHERMAN LINE WILL EXPERIENCE THE SEASONS FIRST LIGHT FREEZE. .DAYS TWO THROUGH SEVEN... A SLIGHT CHANCE OF LIGHT SNOW OR SLEET THURSDAY NIGHT IS FORECAST ACROSS PARTS OF NORTH TEXAS. SURFACE TEMPERATURES WILL REMAIN ABOVE FREEZING AND THEREFORE NO ACCUMULATION IS EXPECTED. 92
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 1:22 PM CST | Wind Advisory | FWD | Bell, Bosque, Collin, Comanche, Cooke, Coryell and 35 more | 6 hr |
Nearby
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.