Alert archive / Mississippi / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 312, NWS Jackson, MS

June 28, 2013Clarke County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 28, 2013, 3:09 PM CDT for Clarke County, Mississippi. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 28, 2013, 3:09 PM CDT (20:09 UTC)
Expired
Jun 28, 2013, 4:00 PM CDT
In force
51 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

County Clarke County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 125 km from the middle of the area, began a volume at 20:10 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 28, 11:26 AM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.2 hours before the alert went out and 135 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, Jackson, MS at 12:00Z on 2013-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2852 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, Jackson, MS at 12:00Z on 2013-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939Sfc1 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
2852 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1024 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 10:15 AM CDT, 4 hours 54 minutes earlier.

Area forecast discussion, Jun 28, 10:15 AM CDT, 4 hours 54 minutes before
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Hazardous weather outlook, Jun 28, 2:58 PM CDT, 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
258 PM CDT FRI JUN 28 2013

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
292000-
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-
SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-
CHOCTAW-OKTIBBEHA-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-WINSTON-
NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-MADISON MS-LEAKE-NESHOBA-KEMPER-
WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-COPIAH-
SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-
LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-
258 PM CDT FRI JUN 28 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI...
NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS.

.DAY ONE...TONIGHT AND SATURDAY

STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON INTO THIS
EVENING. THE MOST INTENSE STORMS COULD CONTAIN WIND GUSTS UP TO 60
MPH AS WELL AS HAIL UP TO THE SIZE OF QUARTERS. MANY STORMS WILL BE
CAPABLE OF PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING STRIKES AND
HEAVY DOWNPOURS.

.DAYS TWO THROUGH SEVEN...SATURDAY NIGHT THROUGH THURSDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS...MAY BE NEEDED THIS AFTERNOON AND EVENING.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN.

28

In the hours before

Special weather statement, Jun 28, 2:49 PM CDT, 20 minutes before
MSZ058-282020-
CLARKE MS-
249 PM CDT FRI JUN 28 2013

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
249 PM CDT FRI JUN 28 2013

A CLUSTER OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING PENNY TO
NICKEL SIZE HAIL AND 40 TO 50 MPH WINDS WAS LOCATED FROM THE CLARKE
COUNTY...JASPER COUNTY BORDER TO 4 MILES NORTHEAST OF QUITMAN...TO
SYKES AT 248 PM CDT...MOVING SOUTHEAST AT 15 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS STORM.

PEOPLE IN CLARKE COUNTY SHOULD MONITOR THIS STORM CLOSELY.

LAT...LON 3200 8845 3190 8848 3205 8892 3222 8891
      3222 8889 3217 8843
TIME...MOT...LOC 1948Z 297DEG 15KT 3209 8869

JC
Special weather statement, Jun 28, 2:51 PM CDT, 18 minutes before
MSZ058-282020-
CLARKE MS-
251 PM CDT FRI JUN 28 2013

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
251 PM CDT FRI JUN 28 2013

A LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING PEA TO DIME SIZE
HAIL AND 40 TO 50 MPH WINDS WAS LOCATED FROM 4 MILES SOUTHEAST OF
SYKES TO 4 MILES WEST OF QUITMAN AT 251 PM CDT...MOVING SOUTHEAST AT
20 MPH.

VERY HEAVY RAIN ALONG WITH CLOUD TO GROUND LIGHTNING ARE ALSO
POSSIBLE WITH THESE STORMS.

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.

PEOPLE IN SOUTHERN CLARKE COUNTY SHOULD MONITOR THESE STORMS CLOSELY.

LAT...LON 3189 8847 3185 8865 3208 8892 3213 8891
      3212 8852 3206 8845
TIME...MOT...LOC 1951Z 307DEG 19KT 3204 8856 3205 8879

BK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 8:51 PM CDTSpecial Weather StatementJANBolivar39 min
Jun 27, 9:07 PM CDTSevere Thunderstorm WarningJANBolivar, Sunflower, Washington53 min
Jun 27, 9:18 PM CDTSevere Thunderstorm WarningJANGrenada42 min
Jun 28, 2:49 PM CDTSpecial Weather StatementJANClarke31 min
Jun 28, 2:51 PM CDTSpecial Weather StatementJANClarke29 min
Jun 28, 4:05 PM CDTSpecial Weather StatementJANGrenada30 min
Jun 28, 4:10 PM CDTSpecial Weather StatementJANGrenada30 min
Jun 28, 4:16 PM CDTSevere Thunderstorm WarningJANGrenada29 min
Jun 28, 4:21 PM CDTSpecial Weather StatementJANLeflore44 min
Jun 28, 4:26 PM CDTSpecial Weather StatementJANSunflower44 min
Jun 28, 4:39 PM CDTSevere Thunderstorm WarningJANWashington66 min
Jun 28, 4:49 PM CDTSevere Thunderstorm WarningJANCarroll56 min
Jun 28, 4:57 PM CDTSevere Thunderstorm WarningJANMontgomery, Webster48 min
Jun 28, 5:22 PM CDTSevere Thunderstorm WarningJANWashington53 min
Jun 28, 5:41 PM CDTSevere Thunderstorm WarningJANOktibbeha49 min
Jun 28, 5:44 PM CDTSpecial Weather StatementJANCarroll61 min
Jun 28, 6:06 PM CDTSevere Thunderstorm WarningJANHumphreys, Sharkey, Sunflower, Washington39 min
Jun 28, 6:10 PM CDTSpecial Weather StatementJANNoxubee, Winston30 min
Jun 28, 6:13 PM CDTSpecial Weather StatementJANCarroll47 min
Jun 28, 6:20 PM CDTSpecial Weather StatementJANHolmes45 min
Jun 28, 6:22 PM CDTSpecial Weather StatementJANAttala43 min
Jun 28, 6:27 PM CDTSevere Thunderstorm WarningJANWinston33 min
Jun 28, 6:34 PM CDTSevere Thunderstorm WarningJANHolmes, Yazoo41 min
Jun 28, 6:38 PM CDTSpecial Weather StatementJANSharkey, Yazoo47 min
Jun 28, 6:19 PM CDTSevere Thunderstorm WarningJANMorehouse41 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2013Every severe thunderstorm warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.