Alert archive / Alabama / Tornado Warnings in 2018

Tornado Warning 21, NWS Huntsville, AL

June 22, 2018Cullman County, Alabama

NWS Huntsville, AL issued this tornado warning at Jun 22, 2018, 7:31 PM CDT for Cullman County, Alabama. It was in force for 29 min. 1 report 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
Jun 22, 2018, 7:31 PM CDT (00:31 UTC)
Expired
Jun 22, 2018, 8:00 PM CDT
In force
29 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

County Cullman County, AL

What was reported inside it

TimeReportWhereRemark
Jun 22, 7:42 PM CDTTORNADO3 E South Vinemont, ALA TRAINED SPOTTER REPORTED A TORNADO ON THE GROUND NORTH OF CR 1422 NEAR LAKE CACOMA .

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.5 hours before the alert went out and 116 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-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2018-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1160 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2018-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
-13 J/kg
Mixed-layer LCL
917 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
1.2
Supercell composite
10.2

Open this sounding in Storm Lab

The text

As transmitted.

331 
WFUS54 KHUN 230031
TORHUN
ALC043-230100-
/O.NEW.KHUN.TO.W.0021.180623T0031Z-180623T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Huntsville AL
731 PM CDT FRI JUN 22 2018

The National Weather Service in Huntsville Alabama has issued a

* Tornado Warning for...
  Northeastern Cullman County in north central Alabama...

* Until 800 PM CDT.

* At 730 PM CDT, a confirmed tornado was located near South 
  Vinemont, moving east at 20 mph.

  HAZARD...Damaging tornado and quarter size hail.

  SOURCE...Emergency Management confirmed tornado.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Cullman, Holly Pond, Baldwin, Vinemont, Baileyton, Eva and Joppa. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, the tornado threat is imminent. TAKE COVER NOW! Move to a 
basement or an interior room on the lowest floor of a sturdy 
building. Avoid windows. If you are outdoors, in a mobile home, or 
in a vehicle, move to the closest substantial shelter and protect 
yourself from flying debris.

&&

LAT...LON 3415 8692 3431 8691 3431 8657 3430 8654
      3418 8655 3413 8660
TIME...MOT...LOC 0030Z 274DEG 17KT 3425 8683 

TORNADO...OBSERVED
HAIL...1.00IN

$$

70/DD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 7:00 PM CDTSpecial Weather StatementHUNMarshall45 min
Jun 22, 7:02 PM CDTSpecial Weather StatementHUNDeKalb, Jackson43 min
Jun 22, 7:07 PM CDTTornado WarningHUNCullman23 min
Jun 22, 7:53 PM CDTSpecial Weather StatementHUNDeKalb37 min
Jun 22, 8:00 PM CDTTornado WarningHUNCullman13 min
Jun 22, 8:19 PM CDTSpecial Weather StatementHUNMarshall41 min
Jun 22, 8:33 PM CDTSevere Thunderstorm WarningHUNMarshall27 min
Jun 23, 7:20 AM CDTSpecial Weather StatementHUNWinston40 min
Jun 23, 9:52 AM CDTSpecial Weather StatementHUNColbert, Franklin23 min
Jun 23, 10:02 AM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lauderdale28 min
Jun 23, 10:22 AM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lauderdale, Lawrence23 min
Jun 23, 10:37 AM CDTSpecial Weather StatementHUNCullman, Morgan23 min
Jun 23, 10:47 AM CDTSevere Thunderstorm WarningHUNLauderdale, Lawrence, Limestone, Morgan28 min
Jun 23, 11:10 AM CDTSevere Thunderstorm WarningHUNLimestone, Madison, Morgan50 min
Jun 23, 11:30 AM CDTSpecial Weather StatementHUNCullman45 min
Jun 23, 11:45 AM CDTSpecial Weather StatementHUNJackson45 min
Jun 23, 12:37 PM CDTSevere Thunderstorm WarningHUNJackson13 min
Jun 23, 1:47 PM CDTSpecial Weather StatementHUNCullman43 min
Jun 23, 2:28 PM CDTSpecial Weather StatementHUNCullman17 min
Jun 23, 4:06 PM CDTSpecial Weather StatementHUNColbert, Lauderdale24 min
Jun 23, 4:30 PM CDTSpecial Weather StatementHUNColbert30 min
Jun 23, 4:53 PM CDTSevere Thunderstorm WarningHUNColbert, Lauderdale37 min
Jun 23, 5:17 PM CDTTornado WarningHUNColbert, Franklin28 min
Jun 23, 5:45 PM CDTTornado WarningHUNColbert, Franklin, Lawrence30 min
Jun 23, 5:58 PM CDTSpecial Weather StatementHUNFranklin32 min
Jun 23, 6:32 PM CDTSevere Thunderstorm WarningHUNFranklin13 min

Nearby

Tornado Warnings in Alabama, 2018Every tornado warning in 2018Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.