Alert archive / Mississippi / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 430, NWS Jackson, MS

November 14, 2007Bolivar County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Nov 14, 2007, 5:48 PM CST for Bolivar County, Mississippi. It was in force for 42 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: Nov 14, 2007, 5:48 PM CST (23:48 UTC)
Expired: Nov 14, 2007, 6:30 PM CST
In force: 42 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Bolivar County, MS

The radar

The Little Rock radar (KLZK), 166 km from the middle of the area, began a volume at 23:49 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
Nov 14, 6:05 PM CST	HAIL 1	2 N Pace, MS	QUARTER SIZE HAIL NORTH OF PACE.

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
Nov 14, 2:34 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.8 hours before the alert went out and 145 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: 148 J/kg
Mixed-layer CIN: -197 J/kg
Mixed-layer LCL: 1075 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 194 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.

000 
WUUS54 KJAN 142348
SVRJAN
MSC011-150030-
/O.NEW.KJAN.SV.W.0430.071114T2348Z-071115T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
548 PM CST WED NOV 14 2007

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BOLIVAR COUNTY IN NORTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITY OF ROSEDALE...

* UNTIL 630 PM CST

* AT 548 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED   
  ANOTHER SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE      
  HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS  
  LOCATED NEAR ROSEDALE...AND MOVING EAST SOUTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  7 MILES SOUTH OF MOUND BAYOU BY 605 PM CST...

HIGH WINDS CAN BRING DOWN TREES AND LARGE LIMBS RESULTING IN SERIOUS
INJURY OR PROPERTY DAMAGE. EXERCISE EXTREME CAUTION WHEN OUTDOORS
DURING SUCH STRONG WINDS...AND BE ESPECIALLY AWARE OF OLDER TREES.

LAT...LON 3393 9068 3383 9075 3370 9080 3372 9102
      3373 9105 3377 9106 3378 9110 3381 9106
      3379 9101 3388 9108 3395 9102
TIME...MOT...LOC 2348Z 289DEG 39KT 3385 9100

$$

40

1 follow-up statement

000 
WWUS54 KJAN 150001
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
601 PM CST WED NOV 14 2007

MSC011-150030-
/O.CON.KJAN.SV.W.0430.000000T0000Z-071115T0030Z/
BOLIVAR MS-
601 PM CST WED NOV 14 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CST
FOR CENTRAL BOLIVAR COUNTY...

AT 601 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
PACE...OR ABOUT 9 MILES EAST OF ROSEDALE...MOVING EAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  7 MILES SOUTH OF MOUND BAYOU BY 605 PM CST...

LAT...LON 3392 9068 3384 9075 3370 9080 3372 9102
      3373 9105 3377 9106 3378 9110 3381 9106
      3379 9101 3388 9108 3395 9102
TIME...MOT...LOC 0001Z 289DEG 39KT 3380 9084

$$

40

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 14, 5:07 PM CST	Severe Thunderstorm Warning	JAN	Bolivar	53 min
Nov 14, 5:42 PM CST	Severe Thunderstorm Warning	JAN	Sunflower	33 min
Nov 14, 5:56 PM CST	Severe Thunderstorm Warning	JAN	Leflore	34 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2007 Every severe thunderstorm warning in 2007

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.