Alert archive / Mississippi / Flash Flood Warnings in 2017
Flash Flood Warning 86, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Oct 9, 2017, 3:37 PM CDT for Perry County, Mississippi. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 9, 2017, 3:37 PM CDT (20:37 UTC)
- Expired
- Oct 9, 2017, 9:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Perry County, MS
The radar
The Mobile radar (KMOB), 89 km from the middle of the area, began a volume at 20:39 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.6 hours before the alert went out and 115 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
- 515 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 718 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted.
531 WGUS54 KMOB 092037 FFWMOB MSC111-100230- /O.NEW.KMOB.FF.W.0086.171009T2037Z-171010T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Mobile AL 337 PM CDT MON OCT 9 2017 The National Weather Service in Mobile has issued a * Flash Flood Warning for... Perry County in southeastern Mississippi... * Until 930 PM CDT * At 336 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 3 inches of rain has already fallen. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Beaumont and New Augusta. Additional rainfall amounts of 1 to 2 inches, locally higher, are possible in the warned area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3122 8915 3128 8884 3091 8884 3091 8914 $$
1 follow-up statement
566 WGUS74 KMOB 100031 FFSMOB Flash Flood Statement National Weather Service Mobile AL 731 PM CDT MON OCT 9 2017 MSC111-100041- /O.CAN.KMOB.FF.W.0086.000000T0000Z-171010T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Perry MS- 731 PM CDT MON OCT 9 2017 ...THE FLASH FLOOD WARNING FOR PERRY COUNTY IS CANCELLED... The heavy rain has ended. Flood waters have receded. Flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 3122 8915 3128 8884 3091 8884 3091 8914 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 9, 10:18 AM CDT | Flash Flood Warning | MOB | George | 6 hr |
| Oct 9, 12:54 PM CDT | Areal Flood Advisory | MOB | Greene | 3 hr |
| Oct 9, 1:34 PM CDT | Flash Flood Warning | MOB | Greene | 6 hr |
| Oct 9, 5:50 PM CDT | Areal Flood Advisory | MOB | George | 115 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.