Alert archive / Mississippi / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 521, NWS Jackson, MS

August 22, 20054 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Aug 22, 2005, 3:27 PM CDT for 4 counties in Mississippi. It was in force for 48 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: Aug 22, 2005, 3:27 PM CDT (20:27 UTC)
Expired: Aug 22, 2005, 4:15 PM CDT
In force: 48 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

Counties Choctaw County, MS, Clay County, MS, Oktibbeha County, MS, Webster County, MS

The radar

The Columbus AFB radar (KGWX), 62 km from the middle of the area, began a volume at 20:27 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
Aug 22, 3:36 PM CDT	TSTM WND DMG	Eupora, MS	ONE LARGE TREE REPORTED DOWN ON MARTIN LUTHER KIND ROAD IN EUPORA.

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

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.5 hours before the alert went out and 167 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: 1154 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 1100 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 39 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 222029
SVRJAN
MSC019-025-105-155-222115-
/O.NEW.KJAN.SV.W.0521.050822T2027Z-050822T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
327 PM CDT MON AUG 22 2005

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CHOCTAW COUNTY IN CENTRAL MISSISSIPPI
  SOUTHEASTERN WEBSTER COUNTY IN NORTH CENTRAL MISSISSIPPI
  CLAY COUNTY IN NORTHEAST MISSISSIPPI
  THIS INCLUDES THE CITY OF WEST POINT
  OKTIBBEHA COUNTY IN NORTHEAST MISSISSIPPI
  THIS INCLUDES THE CITY OF STARKVILLE

* UNTIL 415 PM CDT

* AT 327 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 30 MILES NORTH OF WEST POINT TO
  16 MILES NORTHWEST OF WEST POINT TO MATHISTON TO 9 MILES           
  SOUTHWEST OF EUPORA AND MOVING SOUTHEAST AT 25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WEST POINT AND STARKVILLE BY 355 PM CDT

LAT...LON 3381 8877 3382 8890 3358 8919 3351 8950
      3337 8941 3330 8897 3336 8875 3359 8854
      3367 8852 3367 8873 3381 8872

$$

BYB

1 follow-up statement

000 
WWUS54 KJAN 222114
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
413 PM CDT MON AUG 22 2005

MSC019-025-105-155-222123-
/O.EXP.KJAN.SV.W.0521.000000T0000Z-050822T2115Z/
CLAY MS-WEBSTER MS-OKTIBBEHA MS-CHOCTAW MS-
413 PM CDT MON AUG 22 2005

...THE SEVERE THUNDERSTORM WARNING FOR CHOCTAW...OKTIBBEHA...WEBSTER
AND CLAY COUNTIES EXPIRES AT 415 PM CDT...

STORMS HAVE WEAKENED BELOW SEVERE LIMITS...BUT COULD STILL CONTAIN
WINDS TO 45 MPH. 


LAT...LON 3381 8877 3382 8890 3358 8919 3351 8950
      3337 8941 3330 8897 3336 8875 3359 8854
      3367 8852 3367 8873 3381 8872

$$

BYB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 22, 3:21 PM CDT	Severe Thunderstorm Warning	JAN	Leflore, Sunflower	54 min
Aug 22, 4:00 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Holmes	45 min
Aug 22, 4:17 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Choctaw, Winston	58 min
Aug 22, 4:45 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	60 min
Aug 22, 5:13 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	48 min
Aug 22, 5:19 PM CDT	Severe Thunderstorm Warning	JAN	Holmes, Yazoo	41 min
Aug 22, 5:50 PM CDT	Severe Thunderstorm Warning	JAN	Sharkey	40 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2005 Every severe thunderstorm warning in 2005

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.