Alert archive / Mississippi / Special Weather Statements in 2017
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Jun 12, 2017, 3:04 PM CDT for Grenada County, Mississippi. It was in force for 26 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
- Jun 12, 2017, 3:04 PM CDT (20:04 UTC)
- Expired
- Jun 12, 2017, 3:30 PM CDT
- In force
- 26 min
- Issued by
- NWS Jackson, MS
County Grenada County, MS
The radar
The Columbus AFB radar (KGWX), 142 km from the middle of the area, began a volume at 20:08 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, 8.1 hours before the alert went out and 153 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.
- Mixed-layer CAPE
- 870 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 692 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>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 Jun 12, 1:02 PM CDT, 2 hours 2 minutes earlier.
Area forecast discussion, Jun 12, 1:02 PM CDT, 2 hours 2 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Hazardous weather outlook, Jun 12, 2:42 PM CDT, 22 minutes before
Hazardous Weather Outlook National Weather Service Jackson MS 242 PM CDT Mon Jun 12 2017 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 131945- 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- 242 PM CDT Mon Jun 12 2017 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central and south Mississippi. .DAY ONE...Tonight and Tuesday The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday night through Sunday 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 is not expected through next Sunday. DL && ...HAZARD LEGEND... No short term hazards expected. ...USEFUL WEATHER WEB PAGES (URLS)... NWS JAN Home page... www.weather.gov/jan Stay Aware, Stay Safe NWS JAN Briefing Page... www.weather.gov/jan/safe Latest Weather Briefing... www.weather.gov/jan/weather_briefing Tropical page... www.weather.gov/jan/tropical National Hurricane Center Home Page... www.nhc.noaa.gov/ Find NWS JAN on Facebook... www.facebook.com/NWSJacksonMS Follow NWS JAN on Twitter... @NWSJacksonMS Follow NWS JAN on Youtube... www.youtube.com/user/NWSJacksonMiss
In the hours before
Special weather statement, Jun 12, 2:05 PM CDT, 59 minutes before
Special Weather Statement
National Weather Service Jackson MS
205 PM CDT MON JUN 12 2017
MSZ025-121930-
Leflore MS-
205 PM CDT MON JUN 12 2017
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN LEFLORE COUNTY
UNTIL 230 PM CDT...
At 205 PM CDT, Meteorologists were tracking a strong thunderstorm
over Money, or 9 miles north of Greenwood, moving east at 10 mph.
Winds in excess of 40 mph will be possible with this storm.
This strong thunderstorm will be near...
Money around 210 PM CDT.
Other locations impacted by this storm include Schlater.
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.
&&
LAT...LON 3368 9014 3365 9010 3362 9011 3361 9012
3360 9010 3355 9010 3355 9037 3371 9036
3371 9031 3370 9030 3369 9028 3371 9026
3372 9014
TIME...MOT...LOC 1905Z 272DEG 9KT 3365 9023
NFSpecial weather statement, Jun 12, 3:04 PM CDT, 0 minutes before
Special Weather Statement National Weather Service Jackson MS 304 PM CDT MON JUN 12 2017 MSZ026>028-122030- Carroll MS-Grenada MS-Montgomery MS- 304 PM CDT MON JUN 12 2017 ...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL CARROLL... SOUTHEASTERN GRENADA AND NORTHWESTERN MONTGOMERY COUNTIES UNTIL 330 PM CDT... At 303 PM CDT, Meteorologists were tracking a strong thunderstorm near Jefferson, or 8 miles southwest of Grenada, moving east at 10 mph. Winds in excess of 40 mph will be possible with this storm. This strong thunderstorm will be near... Grenada, Duck Hill and Elliott around 330 PM CDT. 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 3363 8999 3379 8999 3381 8963 3357 8965 TIME...MOT...LOC 2003Z 269DEG 7KT 3368 8990 NF
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 2:05 PM CDT | Special Weather Statement | JAN | Leflore | 25 min |
| Jun 12, 3:36 PM CDT | Special Weather Statement | JAN | Tensas | 24 min |
| Jun 12, 6:14 PM CDT | Flash Flood Warning | JAN | Morehouse | 3 hr |
| Jun 12, 3:42 PM CDT | Special Weather Statement | JAN | Ashley | 33 min |
Nearby
Special Weather Statements in Mississippi, 2017Every special weather statement in 2017
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.