Alert archive / Illinois / Tornado Warnings in 2014
Tornado Warning 22, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Jul 12, 2014, 9:39 PM CDT for Henry County, Mercer County, Illinois. It was in force for 36 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
- Jul 12, 2014, 9:39 PM CDT (02:39 UTC)
- Expired
- Jul 12, 2014, 10:15 PM CDT
- In force
- 36 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Henry County, IL, Mercer County, IL
The radar
The Quad Cities radar (KDVN), 51 km from the middle of the area, began a volume at 02:41 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 |
|---|---|---|---|
| Jul 12, 9:55 PM CDT | TSTM WND DMG | 1 Ene New Windsor, IL | TREES DOWN WITH BRANCHES STRIPPED AND SCATTERED 50 TO 100 YARDS IN A NORTHEASTERLY DIRECTION. CORN DOWN AND BROKEN OFF. DAMAGE WITH ROUGHLY 200 TO 300 YARDS WIDE. TIME ESTIMATED FROM RADAR. DELAYED REPORT. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 12, 4:58 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 2.7 hours before the alert went out and 49 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
- 2609 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 916 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 13.9
The text
As transmitted, in the capitals the NWS used until 2016.
830
WFUS53 KDVN 130239
TORDVN
ILC073-131-130315-
/O.NEW.KDVN.TO.W.0022.140713T0239Z-140713T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
939 PM CDT SAT JUL 12 2014
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN HENRY COUNTY IN NORTHWEST ILLINOIS...
EAST CENTRAL MERCER COUNTY IN NORTHWEST ILLINOIS...
* UNTIL 1015 PM CDT
* AT 937 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR MATHERVILLE...AND MOVING EAST AT 40 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
* THIS DANGEROUS STORM WILL BE NEAR...
CABLE AROUND 945 PM CDT.
NEW WINDSOR AROUND 950 PM CDT.
ALPHA AROUND 955 PM CDT.
WOODHULL AROUND 1000 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE GRIFFIN...SWEDONA...OPHIEM AND
NEKOMA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4117 9017 4115 9018 4115 9043 4113 9043
4112 9044 4118 9065 4131 9060 4131 9017
TIME...MOT...LOC 0239Z 282DEG 33KT 4123 9058
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
SHEETS5 follow-up statements
713
WWUS53 KDVN 130245
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
945 PM CDT SAT JUL 12 2014
ILC073-131-130315-
/O.CON.KDVN.TO.W.0022.000000T0000Z-140713T0315Z/
HENRY IL-MERCER IL-
945 PM CDT SAT JUL 12 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MERCER AND
SOUTHWESTERN HENRY COUNTIES UNTIL 1015 PM CDT...
AT 943 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR BODEN...AND MOVING EAST AT 35 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
NEW WINDSOR AROUND 950 PM CDT.
ALPHA AND LYNN CENTER AROUND 955 PM CDT.
WOODHULL AROUND 1000 PM CDT.
ANDOVER AROUND 1005 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE SWEDONA...OPHIEM AND NEKOMA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
&&
LAT...LON 4117 9017 4115 9018 4115 9043 4113 9043
4112 9044 4118 9065 4131 9060 4131 9017
TIME...MOT...LOC 0245Z 278DEG 32KT 4123 9052
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
SHEETS172
WWUS53 KDVN 130250
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
950 PM CDT SAT JUL 12 2014
ILC073-131-130315-
/O.CON.KDVN.TO.W.0022.000000T0000Z-140713T0315Z/
HENRY IL-MERCER IL-
950 PM CDT SAT JUL 12 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MERCER AND
SOUTHWESTERN HENRY COUNTIES UNTIL 1015 PM CDT...
AT 948 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CABLE...AND MOVING EAST AT 25 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
NEW WINDSOR AROUND 955 PM CDT.
ALPHA AROUND 1005 PM CDT.
LYNN CENTER AROUND 1010 PM CDT.
ANDOVER AND WOODHULL AROUND 1015 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE SWEDONA AND OPHIEM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
&&
LAT...LON 4117 9017 4115 9018 4115 9043 4113 9043
4112 9044 4117 9054 4131 9057 4131 9017
TIME...MOT...LOC 0250Z 271DEG 21KT 4124 9049
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
SHEETS431
WWUS53 KDVN 130255
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
955 PM CDT SAT JUL 12 2014
ILC073-131-130315-
/O.CON.KDVN.TO.W.0022.000000T0000Z-140713T0315Z/
HENRY IL-MERCER IL-
955 PM CDT SAT JUL 12 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MERCER AND
SOUTHWESTERN HENRY COUNTIES UNTIL 1015 PM CDT...
AT 953 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED BETWEEN CABLE AND GRIFFIN...AND MOVING NORTHEAST AT
25 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
ALPHA AROUND 1000 PM CDT.
LYNN CENTER AROUND 1010 PM CDT.
ANDOVER AROUND 1015 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE SWEDONA AND OPHIEM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
&&
LAT...LON 4117 9017 4115 9018 4115 9043 4115 9044
4118 9050 4123 9049 4131 9051 4131 9017
TIME...MOT...LOC 0255Z 247DEG 20KT 4126 9047
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
SHEETS324
WWUS53 KDVN 130301
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1001 PM CDT SAT JUL 12 2014
ILC073-131-130315-
/O.CON.KDVN.TO.W.0022.000000T0000Z-140713T0315Z/
HENRY IL-MERCER IL-
1001 PM CDT SAT JUL 12 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MERCER AND
SOUTHWESTERN HENRY COUNTIES UNTIL 1015 PM CDT...
AT 958 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CABLE...AND MOVING NORTHEAST AT 25 MPH. DOPPLER
RADAR ALSO INDICATED A SECOND TORNADO POSSIBLY DEVELOPING JUST
NORHTEAST OF NEW WINDSOR. THIS AREA OF ROTATION WAS MOVING EAST TO
NORTHEAST AROUND 25 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
OPHIEM AOURND 1005 PM CDT.
LYNN CENTER AROUND 1010 PM CDT.
ANDOVER AROUND 1015 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE OPHIEM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE
QUAD CITIES.
&&
LAT...LON 4117 9017 4115 9018 4115 9043 4115 9044
4118 9050 4123 9049 4131 9051 4131 9017
TIME...MOT...LOC 0300Z 247DEG 20KT 4127 9044
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
SHEETS079
WWUS53 KDVN 130312
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1012 PM CDT SAT JUL 12 2014
ILC073-131-130322-
/O.EXP.KDVN.TO.W.0022.000000T0000Z-140713T0315Z/
HENRY IL-MERCER IL-
1012 PM CDT SAT JUL 12 2014
...THE TORNADO WARNING FOR EAST CENTRAL MERCER AND SOUTHWESTERN HENRY
COUNTIES WILL EXPIRE AT 1015 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER...GUSTY WINDS AND HEAVY RAIN ARE STILL EXPECTED WITH THIS
THUNDERSTORM.
LAT...LON 4117 9017 4115 9018 4115 9043 4115 9044
4118 9050 4123 9049 4131 9051 4131 9017
TIME...MOT...LOC 0312Z 247DEG 20KT 4130 9036
$$The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 8:08 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 52 min |
| Jul 12, 8:41 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Stephenson | 49 min |
| Jul 12, 9:27 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Mercer | 25 min |
| Jul 13, 2:06 AM CDT | Special Weather Statement | DVN | Hancock, McDonough | 114 min |
Nearby
Tornado Warnings in Illinois, 2014Every tornado warning in 2014Tornadoes in 2014
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.