Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 332
NWS STORM PREDICTION CENTER NORMAN OK
1035 PM CDT TUE JUL 5 2016
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
IOWA
* EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1035 PM
UNTIL 600 AM CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80
MPH POSSIBLE
ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
SUMMARY...A SMALL COMPLEX OF STORMS WITH A HISTORY OF PRODUCING WIND
DAMAGE MAY CONTINUE TO MOVE EAST-NORTHEASTWARD TOWARD CENTRAL IOWA
OVERNIGHT WHILE ADDITIONAL STORMS MAY INITIALLY DEVELOP ACROSS
NORTHERN IOWA AND MOVE EAST-SOUTHEASTWARD. ANY OF THESE STORMS MAY
POSE A DAMAGING WIND/SOME HAIL RISK GIVEN VERY STEEP LAPSE
RATES...AMPLE LOW-LEVEL MOISTURE AND EXTREME INSTABILITY.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 10 MILES WEST OF
DENISON IOWA TO 30 MILES SOUTH OF WATERLOO IOWA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU2).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 326...WW 328...WW
329...WW 330...WW 331...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 26040.
...GUYER
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 332 SEVERE TSTM IA 060335Z - 061100Z
AXIS..60 STATUTE MILES NORTH AND SOUTH OF LINE..
10W DNS/DENISON IA/ - 30S ALO/WATERLOO IA/
..AVIATION COORDS.. 50NM N/S /49N OVR - 50NW IOW/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 26040.
LAT...LON 42849556 42979240 41259240 41119556
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 332 Status Report Messages:
STATUS REPORT #4 ON WW 332
VALID 060830Z - 060940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SW OXV TO
40 NNE OXV TO 20 W CID.
..COOK..07/06/16
ATTN...WFO...DMX...
&&
STATUS REPORT FOR WS 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC099-123-125-157-060940-
IA
. IOWA COUNTIES INCLUDED ARE
JASPER MAHASKA MARION
POWESHIEK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 332
VALID 060800Z - 060840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SW OXV TO
45 NNE DSM TO 30 S ALO.
..PETERS..07/06/16
ATTN...WFO...DMX...
&&
STATUS REPORT FOR WS 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC099-123-125-127-157-171-060840-
IA
. IOWA COUNTIES INCLUDED ARE
JASPER MAHASKA MARION
MARSHALL POWESHIEK TAMA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 332
VALID 060600Z - 060640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNE SDA
TO 15 ESE DNS TO 20 ENE DNS TO 20 SW FOD TO 25 NNW FOD.
..PETERS..07/06/16
ATTN...WFO...DMX...
&&
STATUS REPORT FOR WS 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-009-015-025-027-029-049-069-073-077-079-083-091-099-121-
123-125-127-153-157-169-171-181-187-197-060640-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR AUDUBON BOONE
CALHOUN CARROLL CASS
DALLAS FRANKLIN GREENE
GUTHRIE HAMILTON HARDIN
HUMBOLDT JASPER MADISON
MAHASKA MARION MARSHALL
POLK POWESHIEK STORY
TAMA WARREN WEBSTER
WRIGHT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 332
VALID 060450Z - 060540Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..MOSIER..07/06/16
ATTN...WFO...DMX...
&&
STATUS REPORT FOR WS 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-009-015-025-027-029-047-049-069-073-077-079-083-091-099-
121-123-125-127-151-153-157-161-169-171-181-187-197-060540-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR AUDUBON BOONE
CALHOUN CARROLL CASS
CRAWFORD DALLAS FRANKLIN
GREENE GUTHRIE HAMILTON
HARDIN HUMBOLDT JASPER
MADISON MAHASKA MARION
MARSHALL POCAHONTAS POLK
POWESHIEK SAC STORY
TAMA WARREN WEBSTER
WRIGHT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (10%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (20%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.