Alert archive / Indiana / Flash Flood Warnings in 2008

Flash Flood Warning 4, NWS Indianapolis, IN

January 8, 2008Brown County, Jackson County, Monroe County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jan 8, 2008, 6:31 PM EST for Brown County, Jackson County, Monroe County, Indiana. It was in force for 119 min. 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: Jan 8, 2008, 6:31 PM EST (23:31 UTC)
Expired: Jan 8, 2008, 8:30 PM EST
In force: 119 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Brown County, IN, Jackson County, IN, Monroe County, IN

The radar

The Indianapolis radar (KIND), 80 km from the middle of the area, began a volume at 23:32 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
Jan 8, 8:05 PM EST	FLASH FLOOD	8 Se Nashville, IN	STATE ROAD 135 CLOSED DUE TO HIGH WATER. WATER FLOWING OVER STATE ROAD 135 BETWEEN STONE HEAD AND STATE ROAD 46.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.5 hours before the alert went out and 214 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 912 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 467 m²/s²
0-3 km storm-relative helicity: 436 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KIND 082333
FFWIND
INC013-071-105-090130-
/O.NEW.KIND.FF.W.0004.080108T2331Z-080109T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
631 PM EST TUE JAN 8 2008

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BROWN COUNTY IN SOUTH CENTRAL INDIANA...
  JACKSON COUNTY IN SOUTH CENTRAL INDIANA...
  EXTREME SOUTHEASTERN MONROE COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 830 PM EST

* AT 628 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
    THE POTENTIAL FOR FLASH FLOODING FROM HEAVY RAINS OVER           
    THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NASHVILLE

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.



LAT...LON 3905 8638 3932 8639 3933 8611 3904 8610
      3876 8583 3877 8609 3878 8610 3877 8628
      3900 8629 3901 8640
TIME...MOT...LOC 2331Z 180DEG 0KT 3915 8626

$$

CO

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 8, 4:18 AM EST	Flood Watch	IND	Carroll, Howard, Tippecanoe, Warren	15 hr
Jan 8, 6:06 AM EST	River Flood Warning	IND	Carroll, Tippecanoe, White	8 days
Jan 8, 6:22 AM EST	Flash Flood Warning	IND	Carroll	3 hr
Jan 8, 9:12 AM EST	Flash Flood Warning	IND	Carroll, Tippecanoe	4 hr
Jan 8, 5:43 PM EST	Severe Thunderstorm Warning	IND	Daviess, Martin	32 min
Jan 8, 6:20 PM EST	Flash Flood Warning	IND	Daviess, Greene, Lawrence, Martin, Monroe	115 min

Nearby

Flash Flood Warnings in Indiana, 2008 Every flash flood warning in 2008

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.