Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 57
NWS Storm Prediction Center Norman OK
330 PM CDT Thu Mar 19 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
southern Iowa
northern Missouri
southeast Nebraska
* Effective this Thursday afternoon and evening from 330 PM until
1100 PM CDT.
* Primary threats include...
A few tornadoes possible
Scattered large hail and isolated very large hail events to 2
inches in diameter likely
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Storms including a few supercells are expected to continue
developing this afternoon into the evening, posing a risk for large
hail, tornadoes and damaging wind.
The tornado watch area is approximately along and 120 statute miles
east and west of a line from 35 miles north northeast of Des Moines
IA to 10 miles east southeast of Falls City NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU7).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 56...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24035.
...Dial
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 57
NWS Storm Prediction Center Norman OK
330 PM CDT Thu Mar 19 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
southern Iowa
northern Missouri
southeast Nebraska
* Effective this Thursday afternoon and evening from 330 PM until
1100 PM CDT.
* Primary threats include...
A few tornadoes possible
Scattered large hail and isolated very large hail events to 2
inches in diameter likely
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Storms including a few supercells are expected to continue
developing this afternoon into the evening, posing a risk for large
hail, tornadoes and damaging wind.
The tornado watch area is approximately along and 120 statute miles
east and west of a line from 35 miles north northeast of Des Moines
IA to 10 miles east southeast of Falls City NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU7).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 56...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24035.
...Dial
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 57 TORNADO IA MO NE 192030Z - 200400Z
AXIS..120 STATUTE MILES EAST AND WEST OF LINE..
35NNE DSM/DES MOINES IA/ - 10ESE FNB/FALLS CITY NE/
..AVIATION COORDS.. 105NM E/W /35NNE DSM - 38ESE PWE/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
LAT...LON 41979107 39999316 39999769 41979575
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 57 Status Report Messages:
STATUS REPORT #5 ON WW 57
VALID 200235Z - 200340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 NE STJ TO
25 NNW LWD TO 35 SE CID.
..MOORE..03/20/20
ATTN...WFO...DMX...OAX...DVN...EAX...
&&
STATUS REPORT FOR WT 57
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC007-051-053-101-117-135-177-179-185-200340-
IA
. IOWA COUNTIES INCLUDED ARE
APPANOOSE DAVIS DECATUR
JEFFERSON LUCAS MONROE
VAN BUREN WAPELLO WAYNE
$$
MOC075-081-129-171-197-200340-
MO
. MISSOURI COUNTIES INCLUDED ARE
GENTRY HARRISON MERCER
PUTNAM SCHUYLER
$$
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.
$$
STATUS REPORT #4 ON WW 57
VALID 200145Z - 200240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 SSW STJ TO
30 SSW DSM TO 35 E CID.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 215
..MOORE..03/20/20
ATTN...WFO...DMX...OAX...DVN...EAX...
&&
STATUS REPORT FOR WT 57
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC007-039-051-053-101-107-117-123-125-135-177-179-181-185-
200240-
IA
. IOWA COUNTIES INCLUDED ARE
APPANOOSE CLARKE DAVIS
DECATUR JEFFERSON KEOKUK
LUCAS MAHASKA MARION
MONROE VAN BUREN WAPELLO
WARREN WAYNE
$$
MOC075-081-129-171-197-200240-
MO
. MISSOURI COUNTIES INCLUDED ARE
GENTRY HARRISON MERCER
PUTNAM SCHUYLER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 57
VALID 200050Z - 200140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 WSW FNB
TO 20 WSW FNB TO 10 NE SDA TO 50 NE SDA TO 20 W DSM TO 35 W CID
TO 20 N CID.
..MOORE..03/20/20
ATTN...WFO...DMX...OAX...DVN...EAX...
&&
STATUS REPORT FOR WT 57
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-039-051-053-095-101-107-117-121-123-125-135-145-
157-159-173-175-177-179-181-185-200140-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
CLARKE DAVIS DECATUR
IOWA JEFFERSON KEOKUK
LUCAS MADISON MAHASKA
MARION MONROE PAGE
POWESHIEK RINGGOLD TAYLOR
UNION VAN BUREN WAPELLO
WARREN WAYNE
$$
MOC003-005-075-081-087-129-147-171-197-227-200140-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW ATCHISON GENTRY
HARRISON HOLT MERCER
NODAWAY PUTNAM SCHUYLER
WORTH
$$
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.
$$
STATUS REPORT #2 ON WW 57
VALID 192320Z - 200040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SSE BIE
TO 30 E LNK TO 25 NNE TQE.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 209
..SQUITIERI..03/19/20
ATTN...WFO...DMX...OAX...DVN...EAX...
&&
STATUS REPORT FOR WT 57
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-029-039-051-053-071-095-099-101-107-117-121-123-
125-129-135-137-145-155-157-159-173-175-177-179-181-185-
200040-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
CASS CLARKE DAVIS
DECATUR FREMONT IOWA
JASPER JEFFERSON KEOKUK
LUCAS MADISON MAHASKA
MARION MILLS MONROE
MONTGOMERY PAGE POTTAWATTAMIE
POWESHIEK RINGGOLD TAYLOR
UNION VAN BUREN WAPELLO
WARREN WAYNE
$$
MOC003-005-075-081-087-129-147-171-197-227-200040-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW ATCHISON GENTRY
HARRISON HOLT MERCER
NODAWAY PUTNAM SCHUYLER
WORTH
$$
NEC097-127-131-133-147-200040-
NE
. NEBRASKA COUNTIES INCLUDED ARE
JOHNSON NEMAHA OTOE
PAWNEE RICHARDSON
$$
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.
$$
STATUS REPORT #1 ON WW 57
VALID 192135Z - 192240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SQUITIERI..03/19/20
ATTN...WFO...DMX...OAX...DVN...EAX...
&&
STATUS REPORT FOR WT 57
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-029-039-051-053-071-095-099-101-107-117-121-123-
125-129-135-137-145-155-157-159-173-175-177-179-181-185-
192240-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
CASS CLARKE DAVIS
DECATUR FREMONT IOWA
JASPER JEFFERSON KEOKUK
LUCAS MADISON MAHASKA
MARION MILLS MONROE
MONTGOMERY PAGE POTTAWATTAMIE
POWESHIEK RINGGOLD TAYLOR
UNION VAN BUREN WAPELLO
WARREN WAYNE
$$
MOC003-005-075-081-087-129-147-171-197-227-192240-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW ATCHISON GENTRY
HARRISON HOLT MERCER
NODAWAY PUTNAM SCHUYLER
WORTH
$$
NEC025-067-095-097-109-127-131-133-147-151-153-192240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
CASS GAGE JEFFERSON
JOHNSON LANCASTER NEMAHA
OTOE PAWNEE RICHARDSON
SALINE SARPY
$$
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
|
Mod (50%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (60%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (60%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (90%)
|
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% (EF2-EF5 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.
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