Alert archive / Indiana / Flash Flood Warnings in 2021
Flash Flood Warning 55, NWS Paducah, KY
NWS Paducah, KY issued this flash flood warning at Aug 21, 2021, 4:34 PM CDT for Vanderburgh County, Indiana. It was in force for 2 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
- Aug 21, 2021, 4:34 PM CDT (21:34 UTC)
- Expired
- Aug 21, 2021, 7:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Paducah, KY
- Area
- Storm-based polygon
- Flood severity
- None
County Vanderburgh County, IN
The radar
The Evansville,IN radar (KVWX), 27 km from the middle of the area, began a volume at 21:37 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
Nashville Metro, TN (KBNA), launched 12:00Z, 9.6 hours before the alert went out and 230 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
- 1243 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 488 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.9
The text
As transmitted.
472
WGUS53 KPAH 212134
FFWPAH
INC163-220000-
/O.NEW.KPAH.FF.W.0055.210821T2134Z-210822T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
434 PM CDT Sat Aug 21 2021
The National Weather Service in Paducah has issued a
* Flash Flood Warning for...
Vanderburgh County in southwestern Indiana...
* Until 700 PM CDT.
* At 434 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. 2 to 2.5 inches of rain have
fallen across eastern portions of Evansville. Additional rainfall
amounts up to 1 inch are possible in the warned area. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Evansville, Newburgh, Melody Hill and Darmstadt.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3816 8769 3817 8767 3817 8747 3804 8747
3803 8745 3794 8745 3791 8751 3793 8756
3801 8759
FLASH FLOOD...RADAR INDICATED
$$
SP1 follow-up statement
833
WGUS73 KPAH 212356
FFSPAH
Flash Flood Statement
National Weather Service Paducah KY
656 PM CDT Sat Aug 21 2021
INC163-220006-
/O.EXP.KPAH.FF.W.0055.000000T0000Z-210822T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Vanderburgh IN-
656 PM CDT Sat Aug 21 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR
VANDERBURGH COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3816 8769 3817 8767 3817 8747 3804 8747
3803 8745 3794 8745 3791 8751 3793 8756
3801 8759
$$
DRSThe office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 3:53 PM CDT | Areal Flood Advisory | PAH | Vanderburgh | 41 min |
Nearby
Flash Flood Warnings in Indiana, 2021Every flash flood warning in 2021
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.