Alert archive / Iowa / Tornado Warnings in 2017
Tornado Warning 16, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Mar 6, 2017, 10:46 PM CST for Clinton County, Jackson County, Iowa; Carroll County, Illinois. It was in force for 20 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
- Mar 6, 2017, 10:46 PM CST (04:46 UTC)
- Expired
- Mar 6, 2017, 11:06 PM CST
- In force
- 20 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Clinton County, IA, Jackson County, IA, Carroll County, IL
The radar
The Quad Cities radar (KDVN), 60 km from the middle of the area, began a volume at 04:47 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 6, 8:52 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 4.8 hours before the alert went out and 55 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
- 39 J/kg
- Mixed-layer CIN
- -343 J/kg
- Mixed-layer LCL
- 1016 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 407 m²/s²
- 0-3 km storm-relative helicity
- 489 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
696
WFUS53 KDVN 070446
TORDVN
ILC015-IAC045-097-070530-
/O.NEW.KDVN.TO.W.0016.170307T0446Z-170307T0530Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA/IL
1046 PM CST MON MAR 6 2017
The National Weather Service in the Quad Cities has issued a
* Tornado Warning for...
Western Carroll County in northwestern Illinois...
Southeastern Jackson County in east central Iowa...
Northeastern Clinton County in east central Iowa...
* Until 1130 PM CST
* At 1046 PM CST, a severe thunderstorm capable of producing a
tornado was located over Charlotte, or 11 miles southeast of
Maquoketa, moving northeast at 50 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...
Preston and Spragueville around 1050 PM CST.
Miles around 1055 PM CST.
Andover and Green Island around 1100 PM CST.
Savanna and Sabula around 1105 PM CST.
Other locations impacted by this tornadic thunderstorm include
Bryant, Mississippi Palisades State Park, Reeceville, South Sabula
Lake Park, Wacker, Camp Miss-Elk-Ton, Teeds Grove, Van Buren, Center
Hill and Goose Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4203 8994 4190 9037 4202 9057 4220 9024
4220 9011
TIME...MOT...LOC 0446Z 247DEG 45KT 4200 9046
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
MCCLURE2 follow-up statements
731
WWUS53 KDVN 070500 RRA
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
1100 PM CST MON MAR 6 2017
IAC045-097-070510-
/O.CAN.KDVN.TO.W.0016.000000T0000Z-170307T0530Z/
Jackson IA-Clinton IA-
1100 PM CST MON MAR 6 2017
...THE TORNADO WARNING FOR SOUTHEASTERN JACKSON AND NORTHEASTERN
CLINTON COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area, therefore the warning has been cancelled.
A tornado watch remains in effect until 400 AM CST for northwestern
Illinois...and east central Iowa.
LAT...LON 4203 8994 4200 9014 4203 9015 4204 9017
4206 9017 4212 9016 4213 9017 4213 9020
4216 9022 4217 9027 4218 9027 4220 9024
4220 9011
TIME...MOT...LOC 0500Z 238DEG 66KT 4217 9012
$$
ILC015-070530-
/O.CON.KDVN.TO.W.0016.000000T0000Z-170307T0530Z/
Carroll IL-
1100 PM CST MON MAR 6 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CST FOR
NORTHWESTERN CARROLL COUNTY...
At 1100 PM CST, a severe thunderstorm capable of producing a tornado
was located near Massbach, or 8 miles northwest of Mount Carroll,
moving northeast at 75 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 tornadic thunderstorm will remain over mainly rural areas of
northwestern Carroll County, including the following locations:
Wacker, Mississippi Palisades State Park and Center Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4203 8994 4200 9014 4203 9015 4204 9017
4206 9017 4212 9016 4213 9017 4213 9020
4216 9022 4217 9027 4218 9027 4220 9024
4220 9011
TIME...MOT...LOC 0500Z 238DEG 66KT 4217 9012
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Gibbs258
WWUS53 KDVN 070506
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
1106 PM CST MON MAR 6 2017
ILC015-070516-
/O.CAN.KDVN.TO.W.0016.000000T0000Z-170307T0530Z/
Carroll IL-
1106 PM CST MON MAR 6 2017
...THE TORNADO WARNING FOR NORTHWESTERN CARROLL COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area, therefore the warning is cancelled. However gusty
winds and heavy rain are still possible with this thunderstorm.
A tornado watch remains in effect until 400 AM CST for northwestern
Illinois.
LAT...LON 4203 8994 4200 9014 4203 9015 4204 9017
4206 9017 4212 9016 4213 9017 4213 9020
4216 9022 4217 9027 4218 9027 4220 9024
4220 9011
TIME...MOT...LOC 0505Z 247DEG 45KT 4220 9002
$$
GibbsThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 8:02 PM CST | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Iowa | 58 min |
| Mar 6, 8:04 PM CST | Severe Thunderstorm Warning | DVN | Keokuk | 56 min |
| Mar 6, 8:29 PM CST | Severe Thunderstorm Warning | DVN | Delaware, Johnson, Linn | 61 min |
| Mar 6, 8:40 PM CST | Tornado Warning | DVN | Buchanan, Delaware | 38 min |
| Mar 6, 8:46 PM CST | Severe Thunderstorm Warning | DVN | Keokuk, Washington | 74 min |
| Mar 6, 8:46 PM CST | Tornado Warning | DVN | Benton, Iowa, Johnson, Linn | 22 min |
| Mar 6, 8:54 PM CST | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 81 min |
| Mar 6, 9:05 PM CST | Severe Thunderstorm Warning | DVN | Cedar, Jones | 55 min |
| Mar 6, 9:07 PM CST | Tornado Warning | DVN | Jones, Linn | 26 min |
| Mar 6, 9:19 PM CST | Severe Thunderstorm Warning | DVN | Dubuque | 56 min |
| Mar 6, 9:28 PM CST | Severe Thunderstorm Warning | DVN | Johnson | 47 min |
| Mar 6, 9:31 PM CST | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee, Louisa, Muscatine | 74 min |
| Mar 6, 9:31 PM CST | Tornado Warning | DVN | Dubuque, Jackson, Jones | 44 min |
| Mar 6, 9:42 PM CST | Severe Thunderstorm Warning | DVN | Jackson | 63 min |
| Mar 6, 9:49 PM CST | Severe Thunderstorm Warning | DVN | Clinton | 71 min |
| Mar 6, 9:52 PM CST | Severe Thunderstorm Warning | DVN | Clinton, Scott | 83 min |
| Mar 6, 9:55 PM CST | Tornado Warning | DVN | Jackson | 38 min |
| Mar 6, 10:04 PM CST | Severe Thunderstorm Warning | DVN | Cedar | 44 min |
| Mar 6, 10:10 PM CST | Tornado Warning | DVN | Muscatine, Scott | 24 min |
| Mar 6, 10:17 PM CST | Tornado Warning | DVN | Cedar, Clinton, Scott | 31 min |
| Mar 6, 10:23 PM CST | Tornado Warning | DVN | Clinton, Scott | 26 min |
| Mar 6, 10:26 PM CST | Severe Thunderstorm Warning | DVN | Clinton, Scott | 49 min |
| Mar 7, 3:32 AM CST | Red Flag Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 14 hr |
| Mar 7, 3:37 AM CST | Wind Advisory | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 12 hr |
| Mar 6, 9:56 PM CST | Severe Thunderstorm Warning | DVN | Jo Daviess | 64 min |
| Mar 6, 10:13 PM CST | Severe Thunderstorm Warning | DVN | Hancock, Henderson, McDonough, Warren | 77 min |
| Mar 6, 10:39 PM CST | Severe Thunderstorm Warning | DVN | Carroll, Stephenson, Whiteside | 67 min |
| Mar 6, 10:44 PM CST | Tornado Warning | DVN | Hancock, Henderson, McDonough, Warren | 31 min |
| Mar 6, 10:56 PM CST | Tornado Warning | DVN | Carroll, Whiteside | 27 min |
| Mar 6, 10:58 PM CST | Tornado Warning | DVN | Henry, Mercer | 32 min |
| Mar 6, 11:13 PM CST | Severe Thunderstorm Warning | DVN | Bureau, Henry, Putnam, Whiteside | 77 min |
| Mar 7, 12:08 AM CST | Tornado Warning | DVN | Bureau, Putnam | 17 min |
Nearby
Tornado Warnings in Iowa, 2017Tornado Warnings in Illinois, 2017Every tornado warning in 2017Tornadoes in 2017
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.