Alert archive / Alabama / Tornado Warnings in 2014

Tornado Warning 21, NWS Huntsville, AL

April 28, 2014Cullman County, Alabama

NWS Huntsville, AL issued this tornado warning at Apr 28, 2014, 8:35 PM CDT for Cullman County, Alabama. It was in force for 25 min. 2 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: Apr 28, 2014, 8:35 PM CDT (01:35 UTC)
Expired: Apr 28, 2014, 9:00 PM CDT
In force: 25 min
Issued by: NWS Huntsville, AL
Area: Storm-based polygon

County Cullman County, AL

The radar

The Birmingham radar (KBMX), 85 km from the middle of the area, began a volume at 01:35 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
Apr 28, 9:09 PM CDT	FUNNEL CLOUD	Arkadelphia, AL	FUNNEL CLOUD REPORTED NEAR ARKADELPHIA. ALSO RECEIVED POWER OUTAGE REPORTS IN THE AREA.
Apr 28, 9:09 PM CDT	FUNNEL CLOUD	Arkadelphia, AL	FUNNEL CLOUD REPORTED NEAR ARKADELPHIA. ALSO RECIEVED POWER OUTAGE REPORTS IN THE AREA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 28, 12:39 PM CDT	Tornado Watch PDS	SPC	8 hr
Apr 28, 7:59 PM CDT	Tornado Watch	SPC	11 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.6 hours before the alert went out and 84 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1160 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1240 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 236 m²/s²
0-3 km storm-relative helicity: 361 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 9.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

127 
WFUS54 KHUN 290135
TORHUN
ALC043-290200-
/O.NEW.KHUN.TO.W.0021.140429T0135Z-140429T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
835 PM CDT MON APR 28 2014

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN CULLMAN COUNTY IN NORTH CENTRAL ALABAMA...

* UNTIL 900 PM CDT
    
* AT 834 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  OVER LYNNS PARK...OR NEAR CORDOVA...AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GOOD HOPE...DODGE CITY...SMITH DAM...COLONY...WILBURN...
  ARKADELPHIA...BLACK BOTTOM...BREMEN AND SMITH LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3389 8701 3390 8710 3391 8708 3394 8711
      3411 8689 3397 8678 3396 8679 3396 8682
      3394 8682 3395 8685 3393 8686 3394 8688
      3392 8689 3391 8692 3387 8692 3386 8696
      3386 8699
TIME...MOT...LOC 0134Z 237DEG 40KT 3381 8719 

$$

BCC

1 follow-up statement

130 
WWUS54 KHUN 290151
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
851 PM CDT MON APR 28 2014

ALC043-290200-
/O.CON.KHUN.TO.W.0021.000000T0000Z-140429T0200Z/
CULLMAN AL-
851 PM CDT MON APR 28 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHWESTERN CULLMAN COUNTY...
    
AT 851 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR SMITH
DAM...OR 9 MILES NORTH OF SUMITON...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
GOOD HOPE...DODGE CITY...SMITH DAM...COLONY...WILBURN...
ARKADELPHIA...BLACK BOTTOM...BREMEN AND SMITH LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3389 8701 3390 8710 3391 8708 3394 8711
      3411 8689 3397 8678 3396 8679 3396 8682
      3394 8682 3395 8685 3393 8686 3394 8688
      3392 8689 3391 8692 3387 8692 3386 8696
      3386 8699
TIME...MOT...LOC 0151Z 233DEG 28KT 3389 8708 

$$

BCC

The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 7:05 PM CDT	Tornado Warning	HUN	Lawrence, Limestone, Morgan	25 min
Apr 28, 8:00 PM CDT	Severe Thunderstorm Warning	HUN	Madison	30 min
Apr 28, 8:15 PM CDT	Flash Flood Warning	HUN	Jackson, Limestone, Madison, Morgan	3 hr
Apr 28, 8:29 PM CDT	Tornado Warning	HUN	Cullman, Lawrence, Morgan	31 min
Apr 28, 8:59 PM CDT	Tornado Warning	HUN	Cullman	31 min
Apr 28, 9:11 PM CDT	High Wind Warning	HUN	Cullman, Lawrence, Limestone, Madison, Morgan	2 hr
Apr 28, 9:24 PM CDT	Tornado Warning	HUN	Cullman	36 min
Apr 28, 9:30 PM CDT	Severe Thunderstorm Warning	HUN	Jackson	15 min
Apr 28, 9:36 PM CDT	Tornado Warning	HUN	Cullman	24 min
Apr 28, 9:45 PM CDT	Areal Flood Warning	HUN	Colbert, Franklin, Lauderdale, Lawrence, Limestone, Morgan	3 hr
Apr 28, 9:53 PM CDT	Tornado Warning	HUN	Cullman, Marshall, Morgan	37 min
Apr 28, 10:10 PM CDT	Severe Thunderstorm Warning	HUN	DeKalb	35 min
Apr 28, 10:21 PM CDT	Tornado Warning	HUN	Madison, Marshall	39 min
Apr 28, 11:13 PM CDT	Areal Flood Warning	HUN	Jackson, Limestone, Madison, Morgan	4 hr
Apr 28, 11:42 PM CDT	River Flood Warning	HUN	Lawrence	56 hr
Apr 28, 11:44 PM CDT	Tornado Warning	HUN	DeKalb, Marshall	46 min
Apr 29, 12:31 AM CDT	Tornado Warning Emergency	HUN	DeKalb	29 min
Apr 29, 1:00 AM CDT	Tornado Warning	HUN	DeKalb	45 min
Apr 29, 2:10 AM CDT	Flash Flood Warning	HUN	DeKalb	7 hr
Apr 29, 2:17 AM CDT	Severe Thunderstorm Warning	HUN	DeKalb	28 min
Apr 29, 9:08 AM CDT	Flash Flood Watch	HUN	Colbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more	15 hr
Apr 29, 9:10 AM CDT	Areal Flood Warning	HUN	DeKalb	6 hr
Apr 29, 3:00 PM CDT	Areal Flood Warning	HUN	DeKalb	3 hr
Apr 29, 5:57 PM CDT	Special Weather Statement	HUN	Morgan	33 min
Apr 29, 6:13 PM CDT	Special Weather Statement	HUN	Limestone	32 min
Apr 29, 6:16 PM CDT	River Flood Warning	HUN	Madison	13 hr
Apr 29, 6:19 PM CDT	Special Weather Statement	HUN	Lawrence	26 min
Apr 29, 6:24 PM CDT	Special Weather Statement	HUN	Limestone, Madison, Morgan	36 min
Apr 29, 6:30 PM CDT	Flash Flood Warning	HUN	Colbert, Lauderdale, Lawrence, Limestone	90 min
Apr 29, 6:41 PM CDT	Severe Thunderstorm Warning	HUN	Limestone, Madison	34 min

Nearby

Tornado Warnings in Alabama, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.