Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

July 19, 2021Sharkey County, Mississippi

NWS Jackson, MS issued this special weather statement at Jul 19, 2021, 3:18 AM CDT for Sharkey County, Mississippi. It was in force for 57 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
Jul 19, 2021, 3:18 AM CDT (08:18 UTC)
Expired
Jul 19, 2021, 4:15 AM CDT
In force
57 min
Issued by
NWS Jackson, MS

County Sharkey County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 106 km from the middle of the area, began a volume at 08:18 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 00:00Z, 8.3 hours before the alert went out and 97 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 00:00Z on 2021-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 344 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2021-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
344 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1076 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

733 
WWUS84 KJAN 190818
SPSJAN

Special Weather Statement
National Weather Service Jackson MS
318 AM CDT Mon Jul 19 2021
 
MSZ034-035-041-190915-
Washington MS-Sharkey MS-Humphreys MS-
318 AM CDT Mon Jul 19 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN WASHINGTON... 
SOUTHWESTERN HUMPHREYS AND NORTHERN SHARKEY COUNTIES THROUGH 415 AM 
CDT...

At 317 AM CDT, Meteorologists were tracking a strong thunderstorm
near Hollandale, moving southeast at 25 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Hollandale, Anguilla, Darlove, Panther Burn, Estill, Nitta Yuma,
Midnight, Murphy, Delta City and Louise.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 3308 9049 3292 9064 3292 9066 3284 9076
      3282 9076 3281 9074 3280 9075 3297 9092
      3301 9091 3301 9095 3311 9105 3327 9084
TIME...MOT...LOC 0817Z 308DEG 22KT 3312 9088 

$$

DL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 7:56 PM CDTSpecial Weather StatementJANSimpson49 min
Jul 19, 4:01 AM CDTSpecial Weather StatementJANYazoo59 min
Jul 19, 4:15 AM CDTFlash Flood WarningJANWashington3 hr
Jul 19, 4:44 AM CDTSpecial Weather StatementJANLauderdale61 min
Jul 19, 5:07 AM CDTFlash Flood WarningJANKemper, Lauderdale, Neshoba, Newton3 hr
Jul 19, 7:15 AM CDTSpecial Weather StatementJANLauderdale45 min
Jul 19, 9:00 AM CDTFlash Flood WarningJANScott2 hr
Jul 19, 9:30 AM CDTRiver Flood WarningJANLeake4 days
Jul 19, 9:53 AM CDTRiver Flood WarningJANClarke4 days
Jul 19, 2:49 PM CDTSpecial Weather StatementJANLincoln26 min
Jul 19, 12:15 PM CDTSpecial Weather StatementJANTensas45 min

Nearby

Special Weather Statements in Mississippi, 2021Every special weather statement in 2021

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.