Alert archive / Mississippi / Flash Flood Warnings in 2012
Flash Flood Warning 77, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jul 18, 2012, 4:55 PM CDT for Forrest County, Mississippi. It was in force for 2 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 18, 2012, 4:55 PM CDT (21:55 UTC)
- Expired
- Jul 18, 2012, 7:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
County Forrest County, MS
The radar
The Mobile radar (KMOB), 115 km from the middle of the area, began a volume at 21:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 18, 5:33 PM CDT | FLASH FLOOD | Hattiesburg, MS | FLOODING REPORTED ALONG BROADWAY DRIVE...AT US HIGHWAY 49 AND W 4TH STREET...AND AT E PINE STREET AND EVANS DRIVE |
| Jul 18, 5:45 PM CDT | FLASH FLOOD | 3 Wnw Hattiesburg, MS | WATER WAS UP TO THE WINDOWS OF A CAR NEAR N 40TH AVENUE AND MONTAGUE BLVD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.9 hours before the alert went out and 107 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
- 1179 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 946 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
104
WGUS54 KJAN 182155
FFWJAN
MSC035-190000-
/O.NEW.KJAN.FF.W.0077.120718T2155Z-120719T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
455 PM CDT WED JUL 18 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
FORREST COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITIES OF...PETAL...HATTIESBURG...
* UNTIL 700 PM CDT
* AT 455 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER THE NORTH END OF THE
COUNTY...MOVING SOUTH AT 5 MPH. ESTIMATED RADAR RAINFALL
AMOUNTS...ON THE ORDER OF TWO TO FOUR INCHES...HAVE OCCURRED IN
THE PAST HOUR OVER PORTIONS OF THE COUNTY...MAINLY SOUTHEAST OF
HATTIESBURG.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SUNRISE...MCLAURIN...ROCK HILL...BROOKLYN AND MAXIE
VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
HOUR WITH AN ADDITIONAL ONE TO THREE INCHES POSSIBLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROADWAY. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3100 8935 3101 8936 3101 8935 3134 8935
3135 8937 3144 8937 3143 8914 3101 8914
3096 8935
$$
BYB1 follow-up statement
477
WGUS74 KJAN 182357
FFSJAN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
657 PM CDT WED JUL 18 2012
MSC035-190008-
/O.EXP.KJAN.FF.W.0077.000000T0000Z-120719T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FORREST MS-
657 PM CDT WED JUL 18 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 700 PM CDT FOR FORREST
COUNTY...
LAT...LON 3100 8935 3101 8936 3101 8935 3134 8935
3135 8937 3144 8937 3143 8914 3101 8914
3096 8935
$$
BKThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:29 PM CDT | Special Weather Statement | JAN | Clarke | 31 min |
| Jul 17, 8:56 PM CDT | Special Weather Statement | JAN | Forrest | 44 min |
| Jul 17, 10:05 PM CDT | Special Weather Statement | JAN | Clarke | 45 min |
| Jul 17, 10:34 PM CDT | Flash Flood Warning | JAN | Clarke | 116 min |
| Jul 17, 11:09 PM CDT | Special Weather Statement | JAN | Jasper | 46 min |
| Jul 18, 12:13 PM CDT | Special Weather Statement | JAN | Clay, Kemper, Lowndes, Neshoba, Noxubee, Oktibbeha and 1 more | 72 min |
| Jul 18, 1:22 PM CDT | Special Weather Statement | JAN | Clarke, Lauderdale | 58 min |
| Jul 18, 1:38 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 52 min |
| Jul 18, 2:15 PM CDT | Special Weather Statement | JAN | Neshoba | 30 min |
| Jul 18, 2:22 PM CDT | Special Weather Statement | JAN | Winston | 33 min |
| Jul 18, 2:24 PM CDT | Special Weather Statement | JAN | Clarke | 31 min |
| Jul 18, 2:28 PM CDT | Special Weather Statement | JAN | Lowndes | 32 min |
| Jul 18, 2:30 PM CDT | Special Weather Statement | JAN | Smith | 30 min |
| Jul 18, 2:34 PM CDT | Special Weather Statement | JAN | Lowndes | 31 min |
| Jul 18, 2:59 PM CDT | Special Weather Statement | JAN | Webster | 31 min |
| Jul 18, 3:04 PM CDT | Special Weather Statement | JAN | Jasper | 31 min |
| Jul 18, 3:07 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Jasper | 38 min |
| Jul 18, 3:26 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Oktibbeha, Webster | 35 min |
| Jul 18, 3:31 PM CDT | Special Weather Statement | JAN | Webster | 29 min |
| Jul 18, 3:44 PM CDT | Special Weather Statement | JAN | Forrest | 31 min |
| Jul 18, 3:44 PM CDT | Severe Thunderstorm Warning | JAN | Montgomery, Webster | 21 min |
| Jul 18, 4:15 PM CDT | Special Weather Statement | JAN | Covington | 30 min |
| Jul 18, 4:30 PM CDT | Special Weather Statement | JAN | Leake | 30 min |
| Jul 18, 4:42 PM CDT | Special Weather Statement | JAN | Forrest | 28 min |
| Jul 18, 4:54 PM CDT | Special Weather Statement | JAN | Attala | 31 min |
| Jul 18, 4:58 PM CDT | Special Weather Statement | JAN | Smith | 32 min |
| Jul 18, 5:03 PM CDT | Special Weather Statement | JAN | Leake | 32 min |
| Jul 18, 5:39 PM CDT | Special Weather Statement | JAN | Holmes | 31 min |
| Jul 18, 5:43 PM CDT | Flash Flood Warning | JAN | Lamar | 88 min |
| Jul 18, 5:55 PM CDT | Special Weather Statement | JAN | Rankin | 30 min |
| Jul 18, 6:24 PM CDT | Special Weather Statement | JAN | Hinds | 41 min |
| Jul 18, 6:26 PM CDT | Special Weather Statement | JAN | Madison | 29 min |
| Jul 18, 6:47 PM CDT | Special Weather Statement | JAN | Rankin | 28 min |
| Jul 18, 6:53 PM CDT | Flash Flood Warning | JAN | Hinds, Madison, Rankin | 93 min |
Nearby
Flash Flood Warnings in Mississippi, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.