Alert archive / Mississippi / Flash Flood Warnings in 2017
Flash Flood Warning 65, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Aug 9, 2017, 6:42 PM CDT for Greene County, Perry County, Mississippi. It was in force for 4 hr. 1 report 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
- Aug 9, 2017, 6:42 PM CDT (23:42 UTC)
- Expired
- Aug 9, 2017, 10:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Greene County, MS, Perry County, MS
The radar
The Mobile radar (KMOB), 97 km from the middle of the area, began a volume at 23:42 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 |
|---|---|---|---|
| Aug 9, 7:45 PM CDT | FLASH FLOOD | 4 Ne New Augusta, MS | WATER COMING ACROSS CALVARY CHURCH RD NORTHEAST OF NEW AUGUSTA, MS. |
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, 11.7 hours before the alert went out and 139 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
- 2142 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 619 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
352
WGUS54 KMOB 092342
FFWMOB
MSC041-111-100315-
/O.NEW.KMOB.FF.W.0065.170809T2342Z-170810T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
642 PM CDT WED AUG 9 2017
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Northern Perry County in southeastern Mississippi...
Northwestern Greene County in southeastern Mississippi...
* Until 1015 PM CDT
* At 639 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. 1 to 3 inches of rain have
fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Richton, Beaumont and New Augusta.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3143 8915 3143 8870 3127 8870 3111 8879
3123 8915
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:34 PM CDT | Special Weather Statement | MOB | Greene | 56 min |
| Aug 9, 6:55 PM CDT | Special Weather Statement | MOB | Wayne | 35 min |
Nearby
Flash Flood Warnings in Mississippi, 2017Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.