Alert archive / Iowa / Tornado Warnings in 2007
Tornado Warning 7, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at May 26, 2007, 4:46 PM CDT for Dubuque County, Iowa. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 26, 2007, 4:46 PM CDT (21:46 UTC)
- Expired
- May 26, 2007, 5:15 PM CDT
- In force
- 29 min
- Issued by
- NWS Quad Cities, IA
- Area
- Counties, with a storm outline in the text
County Dubuque County, IA
The radar
The Quad Cities radar (KDVN), 111 km from the middle of the area, began a volume at 21:47 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
Davenport, (KDVN), launched 12:00Z, 9.8 hours before the alert went out and 112 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
- 79 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 616 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KDVN 262146
TORDVN
IAC061-262215-
/O.NEW.KDVN.TO.W.0007.070526T2146Z-070526T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
446 PM CDT SAT MAY 26 2007
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* TORNADO WARNING FOR...
DUBUQUE COUNTY IN NORTHEAST IOWA...
* UNTIL 515 PM CDT.
* AT 443 PM CDT...THE PUBLIC REPORTED A TORNADO NEAR 1 MILE SOUTH OF
HOLY CROSS...OR ABOUT 13 MILES WEST OF DUBUQUE...MOVING EAST AT 25
MPH.
* THE TORNADO WILL BE NEAR...
SHERRILL AND DURANGO AROUND 500 PM CDT...
SAGEVILLE AROUND 505 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.
LAT...LON 4263 9099 4253 9094 4253 9065 4259 9069
4265 9073
$$
WOLF2 follow-up statements
000
WWUS53 KDVN 262200
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
458 PM CDT SAT MAY 26 2007
IAC061-262215-
/O.CON.KDVN.TO.W.0007.000000T0000Z-070526T2215Z/
DUBUQUE IA-
458 PM CDT SAT MAY 26 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR DUBUQUE
COUNTY...
AT 455 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM WITH A HISTORY OF PRODUCING A TORNADO IN
NORTHERN DUBUQUE COUNTY. THIS STORM WAS LOCATED APPROXIMATELY NEAR
RICKARDSVILLE...OR ABOUT 14 MILES NORTHWEST OF DUBUQUE...MOVING EAST
AT 25 MPH.
THE TORNADO WILL BE NEAR...
SHERRILL AND 7 MILES NORTH OF DURANGO AROUND 505 PM CDT...
8 MILES NORTH OF ROSE...9 MILES NORTH OF SAGEVILLE AND 9 MILES
NORTHWEST OF EDMORE AROUND 515 PM CDT...
PLEASE REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
LAT...LON 4263 9099 4253 9094 4253 9065 4259 9069
4265 9073
$$
WOLF000
WWUS53 KDVN 262216
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
515 PM CDT SAT MAY 26 2007
IAC061-262225-
/O.EXP.KDVN.TO.W.0007.000000T0000Z-070526T2215Z/
DUBUQUE IA-
515 PM CDT SAT MAY 26 2007
...THE TORNADO WARNING FOR DUBUQUE COUNTY EXPIRES AT 515 PM CDT...
THE SEVERE THUNDERSTORM THAT WAS CAPABLE OF PRODUCING A TORNADO IS
MOVING INTO GRANT COUNTY WISCONSIN. THEREFORE THE TORNADO WARNING
HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 4263 9099 4253 9094 4253 9065 4259 9069
4265 9073
$$
WOLFThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 12:16 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 29 min |
| May 26, 1:22 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 38 min |
Nearby
Tornado Warnings in Iowa, 2007Every tornado warning in 2007Tornadoes 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.