Alert archive / Texas / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 448, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jul 1, 2005, 10:50 PM CDT for Knox County, Texas. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 1, 2005, 10:50 PM CDT (03:50 UTC)
- Expired
- Jul 1, 2005, 11:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Norman, OK
- Area
- Counties, with a storm outline in the text
County Knox County, TX
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 1, 7:25 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 3.8 hours before the alert went out and 255 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
- 1011 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 2191 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.2
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 1, 10:08 PM CDT, 42 minutes earlier.
Area forecast discussion, Jul 1, 10:08 PM CDT, 42 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 1008 PM CDT FRI JUL 1 2005 .UPDATE... HIGH PLAINS CONVECTION SO FAR HAS SHOWN LITTLE IN WAY OF UPSCALE ORGANIZATION. BUT LLJ IS PROGGED TO INCREASE...AND THIS MAY AID IN MCS FORMATION. AT THIS TIME...MCS DEVELOPMENT APPEARS MOST LIKELY OVER TX WHERE LLJ WILL INTERSECT REMNANT SFC BOUNDARY AND CURRENT CONVECTION IS MORE CONCENTRATED. MOST OF THIS ACTIVITY WILL LIKELY PASS TO S OF OUR CWA...BUT SW CORNER IS ALREADY IN IT AND THUS WILL ADJUST POPS ACCORDINGLY. ELSEWHERE HAVE LOWERED OVERNIGHT POPS IN MOST AREAS...KEEPING HIGHER POPS OUT W PER EXPECTED LLJ AXIS AND LATEST MODEL QPFS. WILL CONTINUE TO MONITOR CENTRAL PLAINS CONVECTION FOR POTENTIAL INCREASE IN COVERAGE/INTENSITY/ ORGANIZATION AS IT ROLLS SE. && .OUN WATCHES/WARNINGS/ADVISORIES... OK...NONE. TX...NONE. && 24/30
In the hours before
Special weather statement, Jul 1, 9:32 PM CDT, 1 hour 18 minutes 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>Special weather statement, Jul 1, 9:47 PM CDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 947 PM CDT FRI JUL 1 2005 TXZ087-020300- KNOX TX- 947 PM CDT FRI JUL 1 2005 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR KNOX COUNTY. A STRONG THUNDERSTORM WAS LOCATED 11 MILES NORTHWEST OF BENJAMIN AT 947 PM CDT...MOVING EAST AT 30 MPH. SMALL HAIL AND WINDS AROUND 50 MPH ARE POSSIBLE. PEOPLE IN KNOX COUNTY SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. 30
Special weather statement, Jul 1, 10:13 PM CDT, 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 1013 PM CDT FRI JUL 1 2005 TXZ087-020330- KNOX TX- 1013 PM CDT FRI JUL 1 2005 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR KNOX COUNTY. A STRONG THUNDERSTORM WAS LOCATED 4 MILES SOUTHEAST OF TRUSCOTT AT 1013 PM CDT...MOVING EAST AT 30 MPH. SMALL HAIL AND WINDS AROUND 50 MPH ARE POSSIBLE. PEOPLE IN KNOX COUNTY SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. 30
Special weather statement, Jul 1, 10:45 PM CDT, 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 1045 PM CDT FRI JUL 1 2005 TXZ084-087-020400- FOARD TX-KNOX TX- 1045 PM CDT FRI JUL 1 2005 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR FOARD AND KNOX COUNTIES. A STRONG THUNDERSTORM WAS LOCATED 6 MILES NORTH OF GILLILAND AT 1045 PM CDT...MOVING EAST AT 20 MPH. SMALL HAIL AND WINDS AROUND 50 MPH ARE POSSIBLE. PEOPLE IN FOARD AND KNOX COUNTIES SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. 30
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 2:23 AM CDT | Severe Thunderstorm Warning | OUN | Ellis, Harper | 67 min |
| Jul 2, 5:24 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa | 51 min |
| Jul 1, 11:27 PM CDT | Severe Thunderstorm Warning | OUN | Knox | 48 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2005Every severe thunderstorm warning in 2005
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.