Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 372, NWS Jackson, MS

July 1, 2012Lowndes County, Noxubee County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 1, 2012, 2:11 PM CDT for Lowndes County, Noxubee County, Mississippi. It was in force for 34 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: Jul 1, 2012, 2:11 PM CDT (19:11 UTC)
Expired: Jul 1, 2012, 2:45 PM CDT
In force: 34 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Lowndes County, MS, Noxubee County, MS

The radar

The Columbus AFB radar (KGWX), 68 km from the middle of the area, began a volume at 19:10 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
Jul 1, 2:25 PM CDT	HAIL 1	Crawford, MS

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 12:00Z, 7.2 hours before the alert went out and 172 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: 3051 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 1312 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -51 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

488 
WUUS54 KJAN 011911
SVRJAN
MSC087-103-011945-
/O.NEW.KJAN.SV.W.0372.120701T1911Z-120701T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
211 PM CDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME NORTH CENTRAL NOXUBEE COUNTY IN EAST CENTRAL MISSISSIPPI...
  SOUTHWESTERN LOWNDES COUNTY IN NORTHEAST MISSISSIPPI...

* UNTIL 245 PM CDT

* AT 211 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  CRAWFORD MOVING NORTH AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ARTESIA BY 245 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY
AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE
DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES
COULD OCCUR.

&&

LAT...LON 3327 8854 3327 8868 3329 8868 3329 8867
      3342 8867 3343 8866 3342 8851
TIME...MOT...LOC 1911Z 176DEG 4KT 3330 8860

$$

BK

1 follow-up statement

353 
WWUS54 KJAN 011944
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
244 PM CDT SUN JUL 1 2012

MSC087-103-011954-
/O.EXP.KJAN.SV.W.0372.000000T0000Z-120701T1945Z/
NOXUBEE MS-LOWNDES MS-
244 PM CDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LOWNDES AND
EXTREME NORTH CENTRAL NOXUBEE COUNTIES WILL EXPIRE AT 245 PM CDT...

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR 
SOUTHERN NOXUBEE COUNTY.

LAT...LON 3327 8854 3327 8868 3329 8868 3329 8867
      3342 8867 3343 8866 3342 8851
TIME...MOT...LOC 1944Z 176DEG 4KT 3334 8860

$$

BK

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 1:03 PM CDT	Special Weather Statement	JAN	Kemper	32 min
Jul 1, 1:08 PM CDT	Special Weather Statement	JAN	Noxubee	32 min
Jul 1, 1:35 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee, Winston	40 min
Jul 1, 1:58 PM CDT	Special Weather Statement	JAN	Kemper	27 min
Jul 1, 2:05 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Noxubee, Winston	55 min
Jul 1, 2:26 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Noxubee	34 min
Jul 1, 2:28 PM CDT	Severe Thunderstorm Warning	JAN	Winston	32 min
Jul 1, 3:14 PM CDT	Special Weather Statement	JAN	Oktibbeha	31 min
Jul 1, 3:16 PM CDT	Special Weather Statement	JAN	Clay	29 min
Jul 1, 3:20 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Oktibbeha, Webster	40 min
Jul 1, 3:38 PM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Oktibbeha, Winston	52 min
Jul 1, 4:45 PM CDT	Special Weather Statement	JAN	Choctaw	30 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2012 Every severe thunderstorm warning in 2012

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.