Alert archive / Iowa / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 113, NWS Quad Cities, IA

September 19, 2005Jefferson County, Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at Sep 19, 2005, 12:14 AM CDT for Jefferson County, Iowa. It was in force for 61 min. 2 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
Sep 19, 2005, 12:14 AM CDT (05:14 UTC)
Expired
Sep 19, 2005, 1:15 AM CDT
In force
61 min
Issued by
NWS Quad Cities, IA
Area
Counties, with a storm outline in the text

County Jefferson County, IA

The radar

The Quad Cities radar (KDVN), 134 km from the middle of the area, began a volume at 05:16 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.

What was reported inside it

TimeReportWhereRemark
Sep 19, 12:24 AM CDTHAIL 0.25Fairfield, IA
Sep 19, 12:38 AM CDTHAIL 0.754 Ne Fairfield, IAA LOT OF PEA TO DIME SIZED HAIL WITH A FEW PENNY SIZED HAIL STONES.

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

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 5.2 hours before the alert went out and 140 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 2005-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 523 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 2005-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939587897Sfc1 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
523 J/kg
Mixed-layer CIN
-230 J/kg
Mixed-layer LCL
1666 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
32 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 
WUUS53 KDVN 190514
SVRDVN
IAC101-190615-
/O.NEW.KDVN.SV.W.0113.050919T0514Z-050919T0615Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1214 AM CDT MON SEP 19 2005

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN SOUTHEAST IOWA
  THIS INCLUDES THE CITY OF FAIRFIELD

* UNTIL 115 AM CDT

* AT 1210 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR ABINGDON...OR ABOUT 8 MILES WEST OF
  FAIRFIELD...AND MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FAIRFIELD BY 1225 AM CDT
  6 MILES NORTH OF LOCKRIDGE BY 1245 AM CDT

THIS IS A DANGEROUS STORM. MOVE IMMEDIATELY INDOORS AND STAY AWAY
FROM WINDOWS.

LAT...LON 4112 9217 4093 9217 4095 9174 4115 9176

$$

MCCLURE
3 follow-up statements
000 
WWUS53 KDVN 190523
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1223 AM CDT MON SEP 19 2005

IAC101-190615-
/O.CON.KDVN.SV.W.0113.000000T0000Z-050919T0615Z/
JEFFERSON IA-
1223 AM CDT MON SEP 19 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 115 AM CDT FOR
JEFFERSON COUNTY...

AT 1219 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR FAIRFIELD MUNICIPAL AIRPORT...OR
ABOUT OVER FAIRFIELD...MOVING EAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BECKWITH AND PERLEE BY 1230 AM CDT
  SALINA AND 7 MILES SOUTH OF EAST PLEASANT PLAIN BY 1235 AM CDT
  FOUR CORNERS...LOCKRIDGE AND GERMANVILLE BY 1240 AM CDT

LAT...LON 4112 9217 4093 9217 4095 9174 4115 9176

$$

MCCLURE
000 
WWUS53 KDVN 190540
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1238 AM CDT MON SEP 19 2005

IAC101-190615-
/O.CON.KDVN.SV.W.0113.000000T0000Z-050919T0615Z/
JEFFERSON IA-
1238 AM CDT MON SEP 19 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 115 AM CDT FOR
JEFFERSON COUNTY...

AT 1232 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING
HAIL UP TO QUARTER SIZE.  THIS STORM WAS LOCATED NEAR BECKWITH...OR
ABOUT OVER FAIRFIELD...MOVING EAST AT 35 MPH.

AT 1238 AM CDT...A TRAINED SPOTTER REPORTED PENNY SIZE HAIL 4 MILES
NORTHEAST OF FAIRFIELD. 

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SALINA...NOW
  FOUR CORNERS...LOCKRIDGE AND GERMANVILLE BY 1245 AM CDT

LAT...LON 4112 9217 4093 9217 4095 9174 4115 9176

$$

MCCLURE

&&
000 
WWUS53 KDVN 190618
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
118 AM CDT MON SEP 19 2005

IAC101-190628-
/O.EXP.KDVN.SV.W.0113.000000T0000Z-050919T0615Z/
JEFFERSON IA-
118 AM CDT MON SEP 19 2005

...THE SEVERE THUNDERSTORM WARNING FOR JEFFERSON COUNTY EXPIRED AT
115 AM CDT...

THE THUNDERSTORM THAT PRODUCED LARGE HAIL HAS WEAKENED AND MOVED OUT 
OF THE WARNED AREA. THEREFORE THE SEVERE THUNDERSTORM WARNING HAS 
BEEN ALLOWED TO EXPIRE.

LAT...LON 4112 9217 4093 9217 4095 9174 4115 9176

$$

MCCLURE

Nearby

Severe Thunderstorm Warnings in Iowa, 2005Every severe thunderstorm warning in 2005

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.