Alert archive / Alabama / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 80, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Jun 23, 2018, 9:37 PM CDT for Lauderdale County, Alabama. It was in force for 23 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
- Jun 23, 2018, 9:37 PM CDT (02:37 UTC)
- Expired
- Jun 23, 2018, 10:00 PM CDT
- In force
- 23 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Lauderdale County, AL
The radar
The Columbus AFB radar (KGWX), 128 km from the middle of the area, began a volume at 02:39 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 |
|---|---|---|---|
| Jun 23, 5:40 PM CDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 2.6 hours before the alert went out and 167 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
- 389 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1162 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.5
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 Huntsville, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 23, 9:22 PM CDT, 15 minutes earlier.
Area forecast discussion, Jun 23, 9:22 PM CDT, 15 minutes before
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Hazardous Weather Outlook National Weather Service Huntsville AL 323 PM CDT Sat Jun 23 2018 ALZ001>010-016-TNZ076-096-097-241100- Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan- Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN- 323 PM CDT Sat Jun 23 2018 This Hazardous Weather Outlook is for north Alabama and portions of southern middle Tennessee. .DAY ONE...Tonight... Isolated to scattered thunderstorms remain possible into the evening hours. Gusty winds and brief heavy rainfall are possible with a few of these storms. .DAYS TWO THROUGH SEVEN...Sunday through Friday... Isolated to scattered thunderstorms are possible Sunday with the highest chances in the southern middle Tennessee counties. Additional thunderstorm chances will remain in the forecast each day, but the chances will be rather low as high pressure builds across the region. .SPOTTER CALL TO ACTION STATEMENT... Activation of storm spotters and emergency management personnel is not anticipated at this time.
In the hours before
Special weather statement, Jun 23, 4:30 PM CDT, 5 hours 7 minutes before
Special Weather Statement National Weather Service Huntsville AL 430 PM CDT SAT JUN 23 2018 ALZ001-002-232200- Lauderdale AL-Colbert AL- 430 PM CDT SAT JUN 23 2018 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL LAUDERDALE AND CENTRAL COLBERT COUNTIES UNTIL 500 PM CDT... At 429 PM CDT, Doppler radar was tracking a strong thunderstorm near Cherokee, or 14 miles northeast of Tishomingo State Park, moving east at 30 mph. Winds in excess of 30 mph will be possible with this storm. Locations impacted include... Florence, Muscle Shoals, Sheffield, Tuscumbia, Cherokee, St. Florian, Underwood-Petersville, Posey Loop, Northwest Alabama Regional Airport and Mt Hester. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to ground lightning is occurring with this storm. Lightning can strike several miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. If on or near the Tennessee River, get out of the water and move indoors or inside a vehicle. Remember, lightning can strike out to 10 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 3460 8803 3478 8807 3489 8762 3463 8756 TIME...MOT...LOC 2129Z 259DEG 26KT 3471 8797 RSB
Special weather statement, Jun 23, 5:58 PM CDT, 3 hours 39 minutes before
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</html>Local storm report, Jun 23, 6:45 PM CDT, 2 hours 52 minutes before
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PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
648 PM CDT SAT JUN 23 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0540 PM HAIL 2 SE LITTLEVILLE 34.58N 87.65W
06/23/2018 E1.00 INCH COLBERT AL EMERGENCY MNGR
QUARTER-SIZED HAIL ALONG THE
COLBERT/FRANKLIN COUNTY LINE. LOCATION
APPROXIMATE.
&&
RB/BCLocal storm report, Jun 23, 7:17 PM CDT, 2 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
717 PM CDT SAT JUN 23 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0534 PM TSTM WND DMG 3 NNE LITTLEVILLE 34.64N 87.65W
06/23/2018 COLBERT AL EMERGENCY MNGR
TREE DOWN ALONG BLUE RD NEAR LITTLEVILLE.
&&
RB/BCSpecial weather statement, Jun 23, 9:01 PM CDT, 36 minutes before
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</html>The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 8:05 PM CDT | Tornado Warning | HUN | Lauderdale | 25 min |
| Jun 23, 8:29 PM CDT | Severe Thunderstorm Warning | HUN | Lauderdale | 31 min |
| Jun 23, 9:01 PM CDT | Special Weather Statement | HUN | Lauderdale | 29 min |
| Jun 23, 9:58 PM CDT | Severe Thunderstorm Warning | HUN | Lauderdale | 14 min |
| Jun 23, 10:14 PM CDT | Special Weather Statement | HUN | Limestone | 46 min |
| Jun 24, 2:03 PM CDT | Special Weather Statement | HUN | Moore | 27 min |
| Jun 24, 2:29 PM CDT | Special Weather Statement | HUN | Moore | 31 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2018Every severe thunderstorm warning in 2018
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.