Alert archive / Alabama / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 21, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at May 12, 2016, 5:38 PM CDT for Limestone County, Madison County, Alabama. It was in force for 25 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 12, 2016, 5:38 PM CDT (22:38 UTC)
- Expired
- May 12, 2016, 6:03 PM CDT
- In force
- 25 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Limestone County, AL, Madison County, AL
The radar
The Northeast Alabama radar (KHTX), 64 km from the middle of the area, began a volume at 22:41 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 12, 5:40 PM CDT | TSTM WND DMG | 3 Sw Harvest, AL | A FEW LARGE LIMBS WERE DOWNED BY THUNDERSTORM WINDS. |
| May 12, 5:44 PM CDT | TSTM WND DMG | 3 Sw Harvest, AL | TREE DOWN ALONG SMITH VASSER ROAD, SOUTH OF YARBROUGH ROAD. |
| May 12, 5:59 PM CDT | TSTM WND DMG | 1 Ene Huntsville, AL | TREE DOWN NEAR MAPLE HILL CEMETERY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.6 hours before the alert went out and 155 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
- 134 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 832 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
470
WUUS54 KHUN 122238
SVRHUN
ALC083-089-122315-
/O.NEW.KHUN.SV.W.0021.160512T2238Z-160512T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
538 PM CDT THU MAY 12 2016
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN MADISON COUNTY IN NORTH CENTRAL ALABAMA...
NORTHEASTERN LIMESTONE COUNTY IN NORTH CENTRAL ALABAMA...
* UNTIL 615 PM CDT
* AT 537 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ATHENS...
MOVING EAST AT 50 MPH.
HAZARD...60 TO 70 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
HUNTSVILLE...MADISON...ATHENS...REDSTONE ARSENAL...MERIDIANVILLE...
MOORES MILL...TRIANA...ALABAMA A AND M UNIVERSITY...HUNTSVILLE
INTERNATIONAL AIRPORT AND UNIVERSITY OF ALABAMA IN HUNTSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3476 8637 3458 8668 3459 8671 3455 8677
3485 8713 3489 8707 3496 8686
TIME...MOT...LOC 2237Z 290DEG 43KT 3480 8687
HAIL...1.00IN
WIND...60MPH
$$
KTW2 follow-up statements
678
WWUS54 KHUN 122248
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
548 PM CDT THU MAY 12 2016
ALC083-089-122315-
/O.CON.KHUN.SV.W.0021.000000T0000Z-160512T2315Z/
MADISON AL-LIMESTONE AL-
548 PM CDT THU MAY 12 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTHERN MADISON AND NORTHEASTERN LIMESTONE COUNTIES...
AT 546 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MADISON...MOVING
EAST AT 50 MPH.
HAZARD...60 TO 70 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS REPORTED 60 MPH MEASURED WIND
GUST.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
HUNTSVILLE...MADISON...ATHENS...REDSTONE ARSENAL...MOORES MILL...TRIANA...
ALABAMA A AND M UNIVERSITY...HUNTSVILLE INTERNATIONAL AIRPORT...
UNIVERSITY OF ALABAMA IN HUNTSVILLE AND MARSHALL SPACE FLIGHT CENTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.
&&
LAT...LON 3476 8637 3458 8668 3459 8671 3455 8677
3484 8709 3487 8704 3493 8687
TIME...MOT...LOC 2246Z 290DEG 43KT 3476 8673
HAIL...1.00IN
WIND...60MPH
$$
KTW767
WWUS54 KHUN 122303
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
603 PM CDT THU MAY 12 2016
ALC083-089-122312-
/O.CAN.KHUN.SV.W.0021.000000T0000Z-160512T2315Z/
MADISON AL-LIMESTONE AL-
603 PM CDT THU MAY 12 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MADISON AND
NORTHEASTERN LIMESTONE COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER GUSTY WINDS TO
BETWEEN 40 AND 50 MPH AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.
LAT...LON 3476 8637 3458 8668 3459 8671 3455 8677
3484 8709 3487 8704 3493 8687
TIME...MOT...LOC 2301Z 290DEG 43KT 3469 8651
$$
KTWThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 7:18 AM CDT | Special Weather Statement | HUN | Jackson | 42 min |
| May 12, 8:06 AM CDT | Special Weather Statement | HUN | Jackson | 39 min |
| May 12, 8:34 AM CDT | Special Weather Statement | HUN | Colbert | 41 min |
| May 12, 11:17 AM CDT | Special Weather Statement | HUN | Cullman | 43 min |
| May 12, 11:19 AM CDT | Special Weather Statement | HUN | Cullman | 41 min |
| May 12, 11:30 AM CDT | Special Weather Statement | HUN | Madison | 45 min |
| May 12, 12:01 PM CDT | Special Weather Statement | HUN | Morgan | 44 min |
| May 12, 12:26 PM CDT | Special Weather Statement | HUN | Morgan | 49 min |
| May 12, 12:32 PM CDT | Special Weather Statement | HUN | Morgan | 43 min |
| May 12, 12:55 PM CDT | Special Weather Statement | HUN | Madison | 50 min |
| May 12, 1:00 PM CDT | Special Weather Statement | HUN | Madison | 45 min |
| May 12, 1:14 PM CDT | Special Weather Statement | HUN | Madison | 46 min |
| May 12, 1:24 PM CDT | Special Weather Statement | HUN | Jackson | 51 min |
| May 12, 1:27 PM CDT | Special Weather Statement | HUN | DeKalb | 48 min |
| May 12, 1:34 PM CDT | Special Weather Statement | HUN | Limestone | 41 min |
| May 12, 3:46 PM CDT | Special Weather Statement | HUN | Colbert | 29 min |
| May 12, 3:47 PM CDT | Special Weather Statement | HUN | Lauderdale | 43 min |
| May 12, 4:06 PM CDT | Special Weather Statement | HUN | Colbert | 24 min |
| May 12, 4:35 PM CDT | Special Weather Statement | HUN | Lauderdale | 40 min |
| May 12, 4:41 PM CDT | Special Weather Statement | HUN | Franklin | 49 min |
| May 12, 4:49 PM CDT | Special Weather Statement | HUN | Limestone | 41 min |
| May 12, 5:02 PM CDT | Severe Thunderstorm Warning | HUN | Lauderdale, Lawrence, Limestone | 43 min |
| May 12, 5:10 PM CDT | Special Weather Statement | HUN | Franklin | 50 min |
| May 12, 6:00 PM CDT | Special Weather Statement | HUN | Lawrence, Morgan | 45 min |
| May 12, 6:06 PM CDT | Special Weather Statement | HUN | Madison | 39 min |
| May 12, 6:21 PM CDT | Special Weather Statement | HUN | Cullman | 24 min |
| May 12, 6:26 PM CDT | Special Weather Statement | HUN | Jackson | 34 min |
| May 12, 6:50 PM CDT | Special Weather Statement | HUN | Cullman, Morgan | 40 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2016Every severe thunderstorm warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.