Alert archive / Illinois / Tornado Warnings in 2008

Tornado Warning 21, NWS Quad Cities, IA

May 25, 2008Jo Daviess County, Illinois

NWS Quad Cities, IA issued this tornado warning at May 25, 2008, 8:56 PM CDT for Jo Daviess County, Illinois. It was in force for 64 min. 6 reports 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
May 25, 2008, 8:56 PM CDT (01:56 UTC)
Expired
May 25, 2008, 10:00 PM CDT
In force
64 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon

County Jo Daviess County, IL

The radar

The Quad Cities radar (KDVN), 95 km from the middle of the area, began a volume at 01:59 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

TimeReportWhereRemark
May 25, 9:00 PM CDTTSTM WND DMGGalena, ILCOUNTY WIDE NUMEROUS AND WIDESPREAD TREES DOWN. REPORTS OCCURED BETWEEN 9 PM AND 10 PM. REPORTS TOO NUMEROUS TO PROVIDE LOCATIONS. POSSIBLE FUNNEL CLOUDS REPORTED TO SHERIFFS OFFICE.
May 25, 9:10 PM CDTHAIL 1Scales Mound, IL
May 25, 9:15 PM CDTHAIL 0.255 Se Scales Mound, ILDELAYED REPORT. HAIL OCCURRED APPROXIMATELY 915 OR 920 PM AT APPLE CANYON LAKE.
May 25, 9:45 PM CDTHAIL 1Scales Mound, ILNICKLE TO QUARTER SIZE HAIL BETWEEN 930 AND 945 PM
May 25, 9:45 PM CDTHAIL 1.75Stockton, ILRELAYED BY TRAINED SPOTTER
May 25, 9:47 PM CDTHAIL 1.754 Ne Woodbine, IL

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 25, 7:54 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.9 hours before the alert went out and 92 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, Davenport, at 00:00Z on 2008-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1867 joules per kilogram.LCLLFCEL10008507005003002001001 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, Davenport, at 00:00Z on 2008-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 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
1867 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1008 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
1.2
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KDVN 260156
TORDVN
ILC085-260300-
/O.NEW.KDVN.TO.W.0021.080526T0156Z-080526T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
856 PM CDT SUN MAY 25 2008

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN JO DAVIESS COUNTY IN NORTHWEST ILLINOIS...

* UNTIL 1000 PM CDT.

* AT 854 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR GALENA...MOVING EAST AT 31 MPH.

* THE TORNADO WILL BE NEAR...
  COUNCIL HILL AROUND 905 PM CDT...
  SCHAPVILLE AND ELIZABETH AROUND 920 PM CDT...
  WOODBINE AROUND 925 PM CDT...
  WOODBINE AROUND 930 PM CDT...
  STOCKTON AROUND 940 PM CDT...
  PLUM RIVER AROUND 945 PM CDT...

THE SAFEST PLACE TO BE IN A TORNADO IS IN A BASEMENT OR INTERIOR ROOM
OR HALLWAY ON THE LOWEST FLOOR OF A BUILDING.

TORNADOES AT NIGHT ARE DIFFICULT TO SEE AND ARE ESPECIALLY DANGEROUS.

HEAVY RAIN MAY OBSCURE THE APPROACH OF THE TORNADO. TAKE SHELTER NOW

THIS STORM IS ALSO PRODUCING HEAVY RAIN AND URBAN AND SMALL STREAM
FLOODING.

LAT...LON 4251 8994 4228 8995 4234 9043 4237 9045
      4251 9051
TIME...MOT...LOC 0156Z 284DEG 27KT 4243 9045

$$

MCCLURE
4 follow-up statements
000 
WWUS53 KDVN 260204
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
904 PM CDT SUN MAY 25 2008

ILC085-260300-
/O.CON.KDVN.TO.W.0021.000000T0000Z-080526T0300Z/
JO DAVIESS IL-
904 PM CDT SUN MAY 25 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHERN
JO DAVIESS COUNTY...

AT 903 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED APPROXIMATELY NEAR
GALENA...MOVING EAST AT 31 MPH.

THE TORNADO WILL BE NEAR...
  GALENA TERRITORY AND COUNCIL HILL STATION AROUND 910 PM CDT...
  GUILFORD AND RODDEN AROUND 915 PM CDT...
  SCHAPVILLE...APPLE CANYON LAKE AND ELIZABETH AROUND 925 PM CDT...
  WOODBINE AROUND 930 PM CDT...
  STOCKTON AND STOCKTON AIRPORT AROUND 945 PM CDT...

TORNADOES AT NIGHT ARE DIFFICULT TO SEE AND ARE ESPECIALLY DANGEROUS.

THIS STORM IS ALSO CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF
GOLFBALLS.

THIS STORM IS ALSO PRODUCING HEAVY RAIN AND URBAN AND SMALL STREAM
FLOODING.

LAT...LON 4251 8994 4228 8995 4234 9043 4237 9045
      4251 9051
TIME...MOT...LOC 0204Z 284DEG 27KT 4242 9039

$$

MCCLURE
000 
WWUS53 KDVN 260218
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
918 PM CDT SUN MAY 25 2008

ILC085-260300-
/O.CON.KDVN.TO.W.0021.000000T0000Z-080526T0300Z/
JO DAVIESS IL-
918 PM CDT SUN MAY 25 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHERN
JO DAVIESS COUNTY...

AT 917 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED APPROXIMATELY NEAR
GALENA TERRITORY...OR NEAR GALENA...MOVING EAST AT 20 MPH.

THE TORNADO WILL BE NEAR...
  SCALES MOUND AROUND 925 PM CDT...
  SCHAPVILLE AND 6 MILES NORTH OF ELIZABETH AROUND 935 PM CDT...
  APPLE CANYON LAKE AROUND 940 PM CDT...
  APPLE CANYON LAKE AND WOODBINE AROUND 945 PM CDT...
  STOCKTON...APPLE RIVER CANYON STATE AND STOCKTON AIRPORT AROUND
  1000 PM CDT...

TORNADOES AT NIGHT ARE DIFFICULT TO SEE AND ARE ESPECIALLY DANGEROUS.

THIS STORM IS ALSO CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF
QUARTERS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT MONDAY MORNING FOR
EASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI.

LAT...LON 4251 8994 4228 8995 4234 9043 4237 9045
      4251 9051
TIME...MOT...LOC 0218Z 279DEG 17KT 4242 9032

$$
000 
WWUS53 KDVN 260230
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
930 PM CDT SUN MAY 25 2008

ILC085-260300-
/O.CON.KDVN.TO.W.0021.000000T0000Z-080526T0300Z/
JO DAVIESS IL-
930 PM CDT SUN MAY 25 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHERN
JO DAVIESS COUNTY...

AT 926 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED APPROXIMATELY NEAR
SCALES MOUND...OR 10 MILES EAST OF GALENA...MOVING EAST AT 28 MPH.

THE TORNADO WILL BE NEAR...
  APPLE CANYON LAKE AROUND 935 PM CDT...
  APPLE RIVER AND 6 MILES NORTH OF WOODBINE AROUND 940 PM CDT...
  APPLE RIVER CANYON STATE AROUND 945 PM CDT...
  WARREN...STOCKTON...8 MILES NORTH OF STOCKTON AIRPORT AND 9 MILES
  NORTH OF PLUM RIVER AROUND 955 PM CDT...
  NORA AROUND 1000 PM CDT...

TORNADOES AT NIGHT ARE DIFFICULT TO SEE AND ARE ESPECIALLY DANGEROUS.

THIS STORM IS ALSO CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF
GOLFBALLS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT MONDAY MORNING FOR
EASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI.

LAT...LON 4251 8994 4228 8995 4234 9043 4237 9045
      4251 9051
TIME...MOT...LOC 0230Z 276DEG 24KT 4245 9021

$$

MCCLURE
000 
WWUS53 KDVN 260253
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
954 PM CDT SUN MAY 25 2008

ILC085-260304-
/O.EXP.KDVN.TO.W.0021.000000T0000Z-080526T0300Z/
JO DAVIESS IL-
954 PM CDT SUN MAY 25 2008

...THE TORNADO WARNING FOR NORTHERN JO DAVIESS COUNTY EXPIRES AT 1000
PM CDT...

THE SEVERE THUNDERSTORM THAT WAS CAPABLE OF PRODUCING A TORNADO HAS
MOVED OUT OF THE WARNED AREA. THEREFORE THE TORNADO WARNING HAS BEEN
ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT MONDAY MORNING FOR
EASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI.

LAT...LON 4251 8994 4228 8995 4234 9043 4237 9045
      4251 9051
TIME...MOT...LOC 0254Z 276DEG 24KT 4243 8999

$$

MCCLURE

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 25, 8:05 PM CDTSevere Thunderstorm WarningDVNJo Daviess55 min
May 25, 8:15 PM CDTTornado WarningDVNJo Daviess20 min
May 25, 9:02 PM CDTSevere Thunderstorm WarningDVNJo Daviess43 min
May 25, 9:52 PM CDTSevere Thunderstorm WarningDVNStephenson53 min
May 25, 10:51 PM CDTSevere Thunderstorm WarningDVNCarroll, Jo Daviess54 min
May 25, 11:45 PM CDTSevere Thunderstorm WarningDVNHancock, Henderson, Mercer, Rock Island60 min
May 26, 12:28 AM CDTSevere Thunderstorm WarningDVNHenderson, Warren32 min
May 26, 1:10 AM CDTSevere Thunderstorm WarningDVNBureau43 min
May 26, 1:32 AM CDTSevere Thunderstorm WarningDVNBureau, Putnam39 min

Nearby

Tornado Warnings in Illinois, 2008Every tornado warning in 2008Tornadoes 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.