Alert archive / Mississippi / Special Weather Statements in 2016

Special Weather Statement, NWS Jackson, MS

April 27, 2016Issaquena County, Warren County, Mississippi; Madison Parish, Tensas Parish, Louisiana

NWS Jackson, MS issued this special weather statement at Apr 27, 2016, 10:13 AM CDT for Issaquena County, Warren County, Mississippi; Madison Parish, Tensas Parish, Louisiana. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 27, 2016, 10:13 AM CDT (15:13 UTC)
Expired: Apr 27, 2016, 11:00 AM CDT
In force: 47 min
Issued by: NWS Jackson, MS

Counties Madison Parish, LA, Tensas Parish, LA, Issaquena County, MS, Warren County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 92 km from the middle of the area, began a volume at 15:13 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 nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 3.2 hours before the alert went out and 82 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: 705 J/kg
Mixed-layer CIN: -127 J/kg
Mixed-layer LCL: 593 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Apr 27, 4:45 AM CDT, 5 hours 28 minutes earlier.

Area forecast discussion, Apr 27, 4:45 AM CDT, 5 hours 28 minutes before

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Hazardous weather outlook, Apr 27, 5:36 AM CDT, 4 hours 37 minutes before

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In the hours before

Special weather statement, Apr 27, 5:56 AM CDT, 4 hours 17 minutes before

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Special weather statement, Apr 27, 8:03 AM CDT, 2 hours 10 minutes before

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Special weather statement, Apr 27, 9:10 AM CDT, 1 hour 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
910 AM CDT WED APR 27 2016

LAZ023-271445-
FRANKLIN LA-
910 AM CDT WED APR 27 2016

...A STRONG THUNDERSTORM WILL AFFECT FRANKLIN PARISH UNTIL 945 AM
CDT...

AT 910 AM CDT...METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM
OVER LIDDIEVILLE...OR NEAR WINNSBORO...MOVING EAST AT 40 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  WINNSBORO AROUND 920 AM CDT.
  CROWVILLE AROUND 930 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE GILBERT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM CDT FOR
NORTHEASTERN LOUISIANA.

LAT...LON 3218 9184 3221 9182 3238 9150 3229 9150
      3230 9152 3225 9153 3225 9156 3223 9154
      3224 9151 3221 9155 3220 9150 3201 9151
      3194 9184 3195 9184 3197 9188 3209 9189
      3209 9187 3212 9187 3212 9188 3216 9189
TIME...MOT...LOC 1410Z 250DEG 36KT 3213 9182

CME

Special weather statement, Apr 27, 9:59 AM CDT, 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
959 AM CDT WED APR 27 2016

LAZ009-MSZ040-041-271545-
EAST CARROLL LA-SHARKEY MS-ISSAQUENA MS-
959 AM CDT WED APR 27 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN EAST CARROLL
PARISH...NORTHWESTERN SHARKEY AND NORTHWESTERN ISSAQUENA COUNTIES
UNTIL 1045 AM CDT...

AT 958 AM CDT...METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM
OVER LAKE PROVIDENCE...MOVING NORTHEAST AT 30 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  GRACE AROUND 1030 AM CDT.
  ROLLING FORK AROUND 1035 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE CARY AND MAYERSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3301 9099 3301 9092 3305 9092 3306 9090
      3285 9074 3283 9076 3271 9115 3286 9125
TIME...MOT...LOC 1458Z 241DEG 27KT 3281 9116

JC

Special weather statement, Apr 27, 10:13 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1013 AM CDT WED APR 27 2016

LAZ009-016-025-MSZ040-041-047-053-271600-
TENSAS LA-EAST CARROLL LA-MADISON LA-SHARKEY MS-ISSAQUENA MS-
WARREN MS-CLAIBORNE MS-
1013 AM CDT WED APR 27 2016

...A STRONG THUNDERSTORM WILL AFFECT MADISON...SOUTHEASTERN EAST
CARROLL AND NORTHERN TENSAS PARISHES...WARREN...SOUTHERN SHARKEY...
CENTRAL CLAIBORNE AND SOUTHERN ISSAQUENA COUNTIES UNTIL 1100 AM
CDT...

AT 1012 AM CDT...METEOROLOGISTS WERE TRACKING STRONG THUNDERSTORMS
ALONG A LINE EXTENDING FROM NEAR TRANSYLVANIA TO NEAR NEWLIGHT.
MOVEMENT WAS EAST AT 35 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THESE STORMS.

STRONG THUNDERSTORMS WILL BE NEAR...
  TRANSYLVANIA AROUND 1020 AM CDT.
  FITLER AROUND 1025 AM CDT.
  ST. JOSEPH AND ONWARD AROUND 1030 AM CDT.
  VALLEY PARK AROUND 1040 AM CDT.
  PORT GIBSON AROUND 1055 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE STORMS INCLUDE MOUND...RICHMOND AND
DELTA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM CDT FOR
NORTHEASTERN LOUISIANA...AND SOUTHWESTERN MISSISSIPPI.

LAT...LON 3276 9118 3279 9071 3277 9069 3275 9070
      3276 9073 3273 9074 3271 9071 3236 9079
      3187 9099 3196 9149
TIME...MOT...LOC 1512Z 271DEG 31KT 3270 9114 3203 9140

JC

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 9:59 AM CDT	Special Weather Statement	JAN	Issaquena, Sharkey	46 min
Apr 27, 11:12 AM CDT	Special Weather Statement	JAN	Carroll, Holmes, Leflore	48 min
Apr 27, 11:15 AM CDT	Special Weather Statement	JAN	Rankin	45 min
Apr 27, 1:32 PM CDT	Special Weather Statement	JAN	Clarke	43 min
Apr 27, 2:03 PM CDT	Special Weather Statement	JAN	Carroll, Choctaw, Grenada, Montgomery, Webster	57 min
Apr 27, 8:03 AM CDT	Special Weather Statement	JAN	Morehouse	27 min
Apr 27, 9:10 AM CDT	Special Weather Statement	JAN	Franklin	35 min
Apr 27, 5:56 AM CDT	Special Weather Statement	JAN	Ashley	34 min

Nearby

Special Weather Statements in Mississippi, 2016 Special Weather Statements in Louisiana, 2016 Every special weather statement in 2016

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.