Alert archive / Mississippi / Special Weather Statements in 2017
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Jul 7, 2017, 3:05 PM CDT for Covington County, Jefferson Davis County, Mississippi. It was in force for 25 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 7, 2017, 3:05 PM CDT (20:05 UTC)
- Expired
- Jul 7, 2017, 3:30 PM CDT
- In force
- 25 min
- Issued by
- NWS Jackson, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 72 km from the middle of the area, began a volume at 20:05 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 80 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
- 1544 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 819 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 12 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 Jul 7, 12:45 PM CDT, 2 hours 20 minutes earlier.
Area forecast discussion, Jul 7, 12:45 PM CDT, 2 hours 20 minutes before
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</html>Hazardous weather outlook, Jul 7, 2:30 PM CDT, 35 minutes before
Hazardous Weather Outlook National Weather Service Jackson MS 230 PM CDT Fri Jul 7 2017 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 081930- 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- 230 PM CDT Fri Jul 7 2017 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central Mississippi, north central Mississippi, and south central Mississippi. .DAY ONE...Tonight and Saturday SEVERE THUNDERSTORMS THREAT...Marginal TIMING...Saturday Isolated severe thunderstorms are possible for the entire outlook area Saturday afternoon into Saturday evening. Damaging winds gusts will be the primary concern with the most intense storms, with hail possible to a lesser extent. Frequent lightning and heavy downpours can be expected. (www.weather.gov/images/jan/graphicast/image1.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday Isolated severe thunderstorms are possible for the entire outlook area continuing into Saturday evening. Damaging winds are the primary concern. (www.weather.gov/images/jan/graphicast/image1.png) .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 for portions of the region Saturday through Saturday night. 28 && ...HAZARD LEGEND... *SEVERE THUNDERSTORMS* High...Significant severe thunderstorms are expected. Moderate...Severe storms expected with significant severe weather possible. Enhanced...Severe storms expected. Slight...Severe storms possible. Marginal...Isolated severe storms possible. ...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 ...ADDITIONAL URLS FOR SEVERE WEATHER ISSUES... Storm Prediction Center (SPC)... www.spc.noaa.gov/ Meso Analysis... www.spc.noaa.gov/exper/mesoanalysis/ Day 1 through 3 Outlooks... www.spc.noaa.gov/products/outlook/ Storm Reports... www.spc.noaa.gov/climo/online/
In the hours before
Special weather statement, Jul 7, 1:24 PM CDT, 1 hour 41 minutes before
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</html>Special weather statement, Jul 7, 2:53 PM CDT, 12 minutes before
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</html>Special weather statement, Jul 7, 3:05 PM CDT, 0 minutes before
Special Weather Statement National Weather Service Jackson MS 305 PM CDT FRI JUL 7 2017 MSZ055-056-064>066-072030- Smith MS-Jones MS-Jefferson Davis MS-Covington MS-Simpson MS- 305 PM CDT FRI JUL 7 2017 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN SIMPSON... SOUTHEASTERN SMITH...COVINGTON...NORTHWESTERN JONES AND NORTHERN JEFFERSON DAVIS COUNTIES UNTIL 330 PM CDT... At 304 PM CDT, Meteorologists were tracking a strong thunderstorm near Lone Star, or 7 miles northwest of Collins, moving east at 10 mph. Dime size hail and wind gusts up to 50 mph will be possible with this storm. This strong thunderstorm will be near... Collins around 330 PM CDT. Other locations impacted by this storm include Seminary and Mize. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 3157 8996 3182 8992 3191 8934 3151 8937 TIME...MOT...LOC 2004Z 271DEG 9KT 3169 8967 JM
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 1:24 PM CDT | Special Weather Statement | JAN | Oktibbeha | 36 min |
| Jul 7, 1:43 PM CDT | Special Weather Statement | JAN | Copiah | 47 min |
| Jul 7, 2:12 PM CDT | Special Weather Statement | JAN | Lowndes | 33 min |
| Jul 7, 2:27 PM CDT | Special Weather Statement | JAN | Choctaw | 33 min |
| Jul 7, 2:53 PM CDT | Special Weather Statement | JAN | Jones | 37 min |
| Jul 7, 3:10 PM CDT | Special Weather Statement | JAN | Winston | 50 min |
| Jul 7, 3:43 PM CDT | Special Weather Statement | JAN | Covington, Jones | 32 min |
| Jul 7, 4:12 PM CDT | Special Weather Statement | JAN | Sharkey | 33 min |
| Jul 7, 4:35 PM CDT | Special Weather Statement | JAN | Adams | 40 min |
| Jul 7, 4:56 PM CDT | Severe Thunderstorm Warning | JAN | Adams | 49 min |
| Jul 7, 5:01 PM CDT | Severe Thunderstorm Warning | JAN | Forrest, Lamar | 44 min |
| Jul 7, 5:03 PM CDT | Special Weather Statement | JAN | Lincoln | 27 min |
| Jul 7, 5:17 PM CDT | Special Weather Statement | JAN | Copiah | 28 min |
| Jul 7, 5:23 PM CDT | Severe Thunderstorm Warning | JAN | Copiah, Hinds, Rankin, Simpson | 27 min |
| Jul 7, 6:02 PM CDT | Special Weather Statement | JAN | Jefferson Davis | 28 min |
| Jul 7, 6:06 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis, Lawrence | 22 min |
| Jul 7, 6:26 PM CDT | Special Weather Statement | JAN | Warren | 34 min |
| Jul 7, 6:42 PM CDT | Special Weather Statement | JAN | Newton | 33 min |
| Jul 7, 6:48 PM CDT | Severe Thunderstorm Warning | JAN | Hinds, Madison, Yazoo | 21 min |
| Jul 7, 3:50 PM CDT | Special Weather Statement | JAN | Catahoula, Concordia | 40 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.