Alert archive / Indiana / Red Flag Warnings in 2007

Red Flag Warning 1, NWS Indianapolis, IN

October 21, 200712 counties in Indiana

NWS Indianapolis, IN issued this red flag warning at Oct 21, 2007, 4:11 AM EDT for 12 counties in Indiana. It took effect at Oct 21, 2007, 8:44 AM EDT. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 21, 2007, 4:11 AM EDT (08:11 UTC)
In effect from
Oct 21, 2007, 8:44 AM EDT
Expired
Oct 21, 2007, 6:59 PM EDT
In force
10 hr
Issued by
NWS Indianapolis, IN

Counties Bartholomew County, IN, Brown County, IN, Daviess County, IN, Decatur County, IN, Greene County, IN, Jackson County, IN, Jennings County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN, Sullivan County, IN

The radar

The Indianapolis radar (KIND), 82 km from the middle of the area, began a volume at 08:16 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

Lincoln, IL (KILX), launched 00:00Z, 8.2 hours before the alert went out and 222 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-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2007-10-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2007-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 346 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2574 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
346 m²/s²
0-3 km storm-relative helicity
335 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 
WWUS83 KIND 210811
RFWIND

RED FLAG WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
411 AM EDT SUN OCT 21 2007

...RED FLAG WARNING FOR SOUTH CENTRAL INDIANA THIS AFTERNOON...

.THE COMBINATION OF LOW HUMIDITY...HIGH WINDS...AND DRY VEGETATION
WILL ALLOW FOR CRITIAL FIRE WEATHER CONDITIONS THIS AFTERNOON.

INZ060-061-064-065-067-068-072-211615-
/O.NEW.KIND.FW.W.0001.071021T1800Z-071022T0000Z/
SULLIVAN-GREENE-BARTHOLOMEW-DECATUR-KNOX-DAVIESS-JENNINGS-
411 AM EDT SUN OCT 21 2007 /311 AM CDT SUN OCT 21 2007/

...RED FLAG WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS
AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS
AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING. 

A STRONG LOW PRESSURE OVER THE PLAINS WILL CREATE WINDS SUSTAINED
BETWEEN 20 AND 25 MPH THIS AFTERNOON...WITH GUSTS OF UP TO 35 MPH.

IN ADDITION...TEMPERATURES EXPECTED IN THE LOW TO MID 80S ALONG
WITH LOW SURFACE MOISTURE WILL COMBINE TO PRODUCE RELATIVE
HUMIDITIES BELOW 25 PERCENT THIS AFTERNOON. THE STRONGEST WINDS AND
LOWEST HUMIDITY VALUES WILL OCCUR ACROSS SOUTH CENTRAL INDIANA
THIS AFTERNOON.

WIND SPEEDS WILL DECREASE AND HUMIDITY IS EXPECTED TO INCREASE
AFTER 8 PM EDT (7 PM CDT) THIS EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

JOHNSON
3 follow-up statements
000 
WWUS83 KIND 211244
RFWIND

RED FLAG WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
844 AM EDT SUN OCT 21 2007

...RED FLAG WARNING FOR SOUTH CENTRAL INDIANA THIS AFTERNOON...

.THE COMBINATION OF LOW HUMIDITY...HIGH WINDS...AND DRY VEGETATION
WILL ALLOW FOR CRITIAL FIRE WEATHER CONDITIONS THIS AFTERNOON.

INZ062-063-069>071-212045-
/O.EXA.KIND.FW.W.0001.071021T1800Z-071022T0000Z/
MONROE-BROWN-MARTIN-LAWRENCE-JACKSON-
844 AM EDT SUN OCT 21 2007 /744 AM CDT SUN OCT 21 2007/

...RED FLAG WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS
AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS
AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING. 

A STRONG LOW PRESSURE OVER THE PLAINS WILL CREATE WINDS SUSTAINED
BETWEEN 20 AND 25 MPH THIS AFTERNOON...WITH GUSTS OF UP TO
35 MPH.

IN ADDITION...TEMPERATURES EXPECTED IN THE LOW TO MID 80S ALONG
WITH LOW SURFACE MOISTURE WILL COMBINE TO PRODUCE RELATIVE
HUMIDITIES BELOW 25 PERCENT THIS AFTERNOON. THE STRONGEST WINDS
AND LOWEST HUMIDITY VALUES WILL OCCUR ACROSS SOUTH CENTRAL
INDIANA THIS AFTERNOON.

WIND SPEEDS WILL DECREASE AND HUMIDITY IS EXPECTED TO INCREASE
AFTER 8 PM EDT (7 PM CDT) THIS EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

INZ060-061-064-065-067-068-072-212045-
/O.CON.KIND.FW.W.0001.071021T1800Z-071022T0000Z/
SULLIVAN-GREENE-BARTHOLOMEW-DECATUR-KNOX-DAVIESS-JENNINGS-
844 AM EDT SUN OCT 21 2007 /744 AM CDT SUN OCT 21 2007/

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/
THIS AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/
THIS AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING. 

A STRONG LOW PRESSURE OVER THE PLAINS WILL CREATE WINDS SUSTAINED
BETWEEN 20 AND 25 MPH THIS AFTERNOON...WITH GUSTS OF UP TO
35 MPH.

IN ADDITION...TEMPERATURES EXPECTED IN THE LOW TO MID 80S ALONG
WITH LOW SURFACE MOISTURE WILL COMBINE TO PRODUCE RELATIVE
HUMIDITIES BELOW 25 PERCENT THIS AFTERNOON. THE STRONGEST WINDS
AND LOWEST HUMIDITY VALUES WILL OCCUR ACROSS SOUTH CENTRAL
INDIANA THIS AFTERNOON.

WIND SPEEDS WILL DECREASE AND HUMIDITY IS EXPECTED TO INCREASE
AFTER 8 PM EDT (7 PM CDT) THIS EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$
000 
WWUS83 KIND 211837
RFWIND

RED FLAG WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
237 PM EDT SUN OCT 21 2007

...RED FLAG WARNING FOR SOUTH CENTRAL INDIANA UNTIL 800 PM...

.THE COMBINATION OF LOW HUMIDITY...HIGH WINDS...AND DRY
VEGETATION WILL ALLOW FOR CRITIAL FIRE WEATHER CONDITIONS THIS
AFTERNOON.

INZ060>065-067>072-220000-
/O.CON.KIND.FW.W.0001.000000T0000Z-071022T0000Z/
SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-DECATUR-KNOX-DAVIESS-
MARTIN-LAWRENCE-JACKSON-JENNINGS-
237 PM EDT SUN OCT 21 2007 /137 PM CDT SUN OCT 21 2007/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/
THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/
THIS EVENING. 

STRONG LOW PRESSURE OVER THE PLAINS HAS CREATED WINDS SUSTAINED
BETWEEN 20 AND 25 MPH THIS AFTERNOON...WITH GUSTS OF UP TO 35 MPH.

IN ADDITION...TEMPERATURES EXPECTED IN THE LOW TO MID 80S ALONG
WITH LOW SURFACE MOISTURE HAVE COMBINED TO PRODUCE RELATIVE
HUMIDITIES BELOW 25 PERCENT THIS AFTERNOON. THE STRONGEST WINDS
AND LOWEST HUMIDITY VALUES WILL OCCUR ACROSS SOUTH CENTRAL INDIANA
THIS AFTERNOON.

WIND SPEEDS WILL DECREASE AND HUMIDITY IS EXPECTED TO INCREASE
AFTER 8 PM EDT (7 PM CDT) THIS EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$
000 
WWUS83 KIND 212259
RFWIND

RED FLAG WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
659 PM EDT SUN OCT 21 2007


INZ060>065-067>072-220000-
/O.CAN.KIND.FW.W.0001.000000T0000Z-071022T0000Z/
SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-DECATUR-KNOX-DAVIESS-
MARTIN-LAWRENCE-JACKSON-JENNINGS-
659 PM EDT SUN OCT 21 2007 /559 PM CDT SUN OCT 21 2007/

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS CANCELED THE
RED FLAG WARNING. 

RELATIVE HUMIDITIES ARE RISING AND WINDS ARE DIMINISHING BELOW
WARNING CRITERIA. THESE TRENDS ARE EXPECTED TO CONTINUE FOR THE
REST OF THE EVENING HOURS. 


$$

Nearby

Red Flag Warnings in Indiana, 2007Every red flag warning in 2007

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.