Alert archive / Colorado / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 19, NWS Denver/Boulder, CO

May 22, 2008Logan County, Phillips County, Sedgwick County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 22, 2008, 5:44 PM MDT for Logan County, Phillips County, Sedgwick County, Colorado. It was in force for 28 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
May 22, 2008, 5:44 PM MDT (23:44 UTC)
Expired
May 22, 2008, 6:12 PM MDT
In force
28 min
Issued by
NWS Denver/Boulder, CO
Area
Storm-based polygon

Counties Logan County, CO, Phillips County, CO, Sedgwick County, CO

The radar

The Cheyenne radar (KCYS), 173 km from the middle of the area, began a volume at 23:46 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

TimeReportWhereRemark
May 22, 5:47 PM MDTHAIL 14 E Haxtun, CO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 3 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 22, 11:25 AM MDTTornado WatchSPC9 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.7 hours before the alert went out and 122 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.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2008-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 392 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2008-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -103 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
392 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
1287 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
-103 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS55 KBOU 222344
SVRBOU
COC075-095-115-230030-
/O.NEW.KBOU.SV.W.0019.080522T2344Z-080523T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
544 PM MDT THU MAY 22 2008

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN SEDGWICK COUNTY IN NORTHEAST COLORADO
  NORTHWESTERN PHILLIPS COUNTY IN NORTHEAST COLORADO
  NORTHEASTERN LOGAN COUNTY IN NORTHEAST COLORADO

* UNTIL 630 PM MDT

* AT 544 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 3 MILES
  WEST OF PAOLI...OR 11 MILES WEST OF HOLYOKE...MOVING NORTHWEST AT
  55 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WAGES...
  TWIN BUTTES...PAOLI...MARKS BUTTE...HAXTUN...FAIRFIELD AND CROOK.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 58 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT THURSDAY EVENING
FOR NORTHEASTERN COLORADO.

LAT...LON 4100 10259 4060 10239 4053 10260 4097 10307
      4100 10308 4100 10307 4100 10281 4101 10281
      4101 10263
TIME...MOT...LOC 2344Z 156DEG 47KT 4066 10255

$$
BARJENBRUCH
2 follow-up statements
000 
WWUS55 KBOU 230002
SVSBOU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
602 PM MDT FRI MAY 22 2008

COC095-115-230011-
/O.CAN.KBOU.SV.W.0019.000000T0000Z-080523T0030Z/
SEDGWICK CO-PHILLIPS CO-
602 PM MDT FRI MAY 22 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PHILLIPS AND
WESTERN SEDGWICK COUNTIES IS CANCELLED...

THE STORM THAT PRODUCED 1 INCH DIAMETER HAIL IN HAXTUN HAS MOVED 
INTO NORTHEASTERN LOGAN COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT THURSDAY EVENING
FOR NORTHEASTERN COLORADO.

LAT...LON 4096 10265 4081 10265 4082 10274 4094 10297
      4100 10298 4100 10307 4100 10281 4101 10280
      4101 10266
TIME...MOT...LOC 0001Z 156DEG 47KT 4086 10267

$$

COC075-230030-
/O.CON.KBOU.SV.W.0019.000000T0000Z-080523T0030Z/
LOGAN CO-
602 PM MDT FRI MAY 22 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT
FOR NORTHEASTERN LOGAN COUNTY...

AT 601 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 9 MILES EAST OF CROOK...OR 23 MILES SOUTHWEST OF JULESBURG...
MOVING NORTHWEST AT 54 MPH.  THIS STORM PRODUCED 1 INCH HAIL AS 
IT RACED THROUGH HAXTUN.

LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TWIN BUTTES AND CROOK.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT THURSDAY EVENING
FOR NORTHEASTERN COLORADO.

LAT...LON 4096 10265 4081 10265 4082 10274 4094 10297
      4100 10298 4100 10307 4100 10281 4101 10280
      4101 10266
TIME...MOT...LOC 0001Z 156DEG 47KT 4086 10267

$$

BARJENBRUCH
000 
WWUS55 KBOU 230012
SVSBOU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
612 PM MDT FRI MAY 22 2008

COC075-230022-
/O.CAN.KBOU.SV.W.0019.000000T0000Z-080523T0030Z/
LOGAN CO-
612 PM MDT FRI MAY 22 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LOGAN COUNTY IS
CANCELLED...

THE THUNDERSTORM THAT PROMPTED THE WARNING HAS EXITED THE AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT THURSDAY EVENING
FOR NORTHEASTERN COLORADO.

LAT...LON 4096 10265 4081 10265 4082 10274 4094 10297
      4100 10298 4100 10307 4100 10281 4101 10280
      4101 10266
TIME...MOT...LOC 0012Z 156DEG 47KT 4099 10275

$$
BARJENBRUCH

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this severe thunderstorm warning went out at May 22, 2:45 PM MDT, 2 hours 59 minutes earlier.

Area forecast discussion, May 22, 2:45 PM MDT, 2 hours 59 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER CO
245 PM MDT THU MAY 22 2008

.SHORT TERM...STRONGLY SHEARED ENVIRONMENT WILL CONTINUE THROUGH
ERLY THIS EVENING.  STG SLY FLOW ALOFT AHD OF BROAD UPPER LOW OVER
THE GREAT BASIN.  STG SSELY WINDS AHD OF A DRY LINE WHICH APPEARS TO
STRETCH FM AROUND GREELEY TO BENNETT TO EAST OF LIMON.  THE FOCUS
FOR SEVERE THUNDERSTORMS WILL BE ALONG AND NORTH OF THIS BOUNDARY.
MAY AGAIN SEE ACTIVITY LINGER ALONG THE NORTHERN BORDER OVERNIGHT.
MDLS SHOW WEAK UPWARD QG VERTICAL VELOCITIES AOA 700 MB OVERNIGHT.
ON FRIDAY...A DRIER AMS IS PROGGED TO BE OVER THE SRN PORTION OF THE
CWFA WITH FOCUS FOR TSTMS LIKELY CLOSER TO THE NRN BORDER.
INTERACTIVE SOUNDINGS SHOW MORE HIGH BASED TSTMS OVER THE SRN
SECTIONS OF THE AREA.  ACROSS THE NERN BORDER...STG SHEAR STILL
PRESENT WITH CAPES PROGGED TO BE AROUND 1400 J/KG AROUND 21Z OVER
THE NORTHEAST CORNER OF THE STATE.  THIS WL BE WHERE THE BEST
TORNADO POTENTIAL WOULD EXIST.  COVERAGE MAY BE LESS THAN TODAY BUT
SEVERE POTENTIAL WL STILL BE THERE WITH THE MAIN FOCUS IN THE
VICINITY OF THE DRY LINE.

.LONG TERM...LITTLE CHANGE TO THE EXTENDED FORECAST TODAY WITH
MODELS CONTINUING TO SHOW AN ACTIVE SOUTHWEST FLOW ALOFT. NOT MUCH
CHANGE IN THE UPPER LEVEL PATTERN FROM THE PREVIOUS COUPLE OF DAYS.
THE UPPER LEVEL LOW OVER THE GREAT BASIN WILL WEAKEN/OPEN UP AND
SLOWLY RETROGRADE WEST. BY SUNDAY AFTERNOON THE LOW WILL BE ALONG
THE WEST COAST. THE CLOSED LOW WILL WEAKEN INTO A LARGE OPEN TROUGH
OVER THE EASTERN PACIFIC AND ALONG THE WEST COAST. OVER COLORADO...A
STRONG SOUTH-SOUTHWEST FLOW ALOFT WILL SLOWLY DECREASE OVER TIME AND
SHIFT MORE SOUTHWESTERLY.

FOR FRIDAY NIGHT...MODELS SHOWING A SURFACE LOW UP IN SOUTHERN
WYOMING. IF THIS HOLDS TRUE MOST OF THE PLAINS WILL BE UNDER A DRY
SOUTHWESTERLY FLOW AND WOULDNT EXPECT MUCH IN THE WAY OF
CONVECTION. THE MOUNTAINS WILL REMAIN UNSTABLE AND SHOULD SEE SOME
SHOWERS AND THUNDERSTORMS THROUGH THE EVENING. FOR SATURDAY AND
SUNDAY...THERE IS DISAGREEMENT BETWEEN THE MODELS WITH THE SURFACE
FEATURES AND WHERE THE DRYLINE WILL BE. BECAUSE OF THIS WILL KEEP
THE LOW POPS IN THE FORECAST. FOR MONDAY THROUGH THURSDAY MODELS
WANT TO KEEP AN EASTERLY FLOW OVER THE PLAINS. THIS WILL HELP
TRANSPORT MOISTURE INTO AREA AND KEEP THE AIRMASS UNSTABLE. SLIGHT
CHANCE TO CHANCE OF THUNDERSTORMS LOOKS GOOD FOR NOW UNTIL WE CAN
PIN POINT THE TIMES OF INCREASED ACTIVITY.

TEMPERATURES WILL START OFF AROUND NORMAL THIS WEEKEND. AS THE UPPER
LEVEL LOW BACKS TO THE WEST...EXPECT WARMER AIR TO RETURN TO THE
STATE PUSHING TEMPERATURES ABOVE NORMAL FOR NEXT WEEK.

&&

.AVIATION...STG SSELY WINDS WL CONTINUE THROUGH THIS EVENING WITH
ISOLD TO WDLY SCT TSTMS PSBL THRU ERLY EVNG.  STG WINDS THE LIKELY
THREAT OF TSTMS WITH STG WINDS ALREADY PRESENT.  DRIER AMS WILL BE
ALONG AND SOUTH OF A BOUNDARY FM AROUND GREELEY TO BENNETT TO
LIMON.  IF THIS BOUNDARY SAGS S...THEN SOME LOW CLOUDS COULD
REDEVELOP OVERNIGHT.  FOR NOW...WL STICK WITH A DRIER FCST WITH THE
BOUNDARY EXPECTED TO REMAIN N AND E OF D.I.A.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...TORNADO WATCH UNTIL 800 PM FOR
THE PLAINS.

&&

COOPER/MEIER
Hazardous weather outlook, May 22, 10:59 AM MDT, 6 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE DENVER CO
1059 AM MDT THU MAY 22 2008

COZ030>051-231200-
JACKSON COUNTY BELOW 9000 FEET-WEST JACKSON AND WEST GRAND
COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000
FEET-SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-SOUTH AND SOUTHEAST
GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/GILPIN/CLEAR CREEK/
SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND
BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-JEFFERSON AND WEST
DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK
COUNTIES BELOW 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY-LARIMER
COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND JEFFERSON
COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTH DOUGLAS
COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/
EAST BROOMFIELD COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES
ABOVE 6000 FEET-NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD
COUNTY-MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN
COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS
COUNTY-
1059 AM MDT THU MAY 22 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS CAN BE EXPECTED ACROSS THE FRONT
RANGE FOOTHILLS...URBAN CORRIDOR AND NORTHEAST PLAINS THIS
AFTERNOON.  A FEW OF THE STORMS MAY BECOME SEVERE ESPECIALLY EAST OF
A FORT MORGAN TO BYERS TO LIMON LINE AND MAY PRODUCE VERY LARGE
HAIL...DAMAGING WINDS AND A FEW TORNADOES.  ELSEWHERE ISOLATED
SEVERE STORMS ARE POSSIBLE OVER THE REST OF NORTHEAST COLORADO AND
MAY PRODUCE HAIL TO ONE INCH IN DIAMETER ALONG WITH DAMAGING WINDS.
ALSO SOME VERY HEAVY RAIN MAY OCCUR WITH THE STORMS.  IN ADDITION
SOUTHEAST WINDS OF 20 TO 35 MPH WITH SOME GUSTS TO 45 MPH WILL OCCUR
OVER THE NORTHEAST PLAINS THROUGH THE AFTERNOON.

IN THE MOUNTAINS EXPECT SCATTERED SHOWERS AND THUNDERSTORMS WITH
GUSTY WINDS AND SMALL HAIL.  THE SNOW LEVEL WILL BE AROUND 10000
FEET WITH A FEW INCHES OF SNOW POSSIBLE OVER THE HIGHER PASSES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE WILL BE A SLIGHT CHANCE OF LATE AFTERNOON AND EVENING
THUNDERSTORMS ACROSS THE ENTIRE AREA FRIDAY THROUGH SUNDAY. A FEW
THUNDERSTORMS ON THE NORTHEAST PLAINS MAY BECOME SEVERE. ALTHOUGH IT
IS DIFFICULT TO TELL HOW WIDESPREAD THUNDERSTORM ACTIVITY WILL BE ON
ANY PARTICULAR DAY...AREAS TO THE NORTH AND EAST OF A GREELEY TO
LIMON LINE WILL HAVE THE BETTER CHANCES OF SEEING THUNDERSTORM
ACTIVITY ON FRIDAY THROUGH SUNDAY. EARLY NEXT WEEK...THE SURFACE
PRESSURE PATTERNS WILL CHANGE AND THUNDERSTORM ACTIVITY MAY BECOME
MORE CONCENTRATED ALONG THE FRONT RANGE FOOTHILLS AND URBAN
CORRIDOR.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED AFTER 1 PM OVER PORTIONS OF
NORTHEAST COLORADO.

COOPER/MEIER

In the hours before

Local storm report, May 22, 1:46 PM MDT, 3 hours 58 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
146 PM MDT THU MAY 22 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0119 PM     NON-TSTM WND GST CASTLE ROCK             39.38N 104.85W
05/22/2008  M50.00 MPH       DOUGLAS            CO   AMATEUR RADIO

0119 PM     HAIL             17 E BRUSH              40.26N 103.31W
05/22/2008  M0.75 INCH       WASHINGTON         CO   TRAINED SPOTTER

1257 PM     HAIL             S FORT COLLINS          40.56N 105.07W
05/22/2008  M0.75 INCH       LARIMER            CO   STORM CHASER

1251 PM     HAIL             LOVELAND                40.42N 105.07W
05/22/2008  M1.00 INCH       LARIMER            CO   NWS EMPLOYEE

1245 PM     HAIL             1 N BERTHOUD            40.32N 105.08W
05/22/2008  M0.88 INCH       LARIMER            CO   TRAINED SPOTTER

1232 PM     TORNADO          4 SW DACONO             40.03N 105.00W
05/22/2008                   WELD               CO   EMERGENCY MNGR

1230 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/22/2008  M65.00 MPH       WELD               CO   TRAINED SPOTTER

            WIND 04050G65 AND SHIFTED IMMEDIATELY TO 14045G60 WITH
            1/2 INCH HAIL

1230 PM     HAIL             SE LONGMONT             40.17N 105.11W
05/22/2008  M1.50 INCH       BOULDER            CO   NWS EMPLOYEE

1228 PM     HAIL             N LONGMONT              40.17N 105.11W
05/22/2008  M1.25 INCH       BOULDER            CO   TRAINED SPOTTER

            MINOR DAMAGE REPORTED

1223 PM     TORNADO          4 W DACONO              40.08N 105.02W
05/22/2008                   WELD               CO   LAW ENFORCEMENT

1220 PM     HAIL             LONGMONT                40.17N 105.11W
05/22/2008  M1.00 INCH       BOULDER            CO   NWS EMPLOYEE

1205 PM     HAIL             2 NE LONGMONT           40.19N 105.09W
05/22/2008  M1.50 INCH       BOULDER            CO   TRAINED SPOTTER

1203 PM     HAIL             2 ENE FORT COLLINS      40.57N 105.04W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

1202 PM     TORNADO          8 W GREELEY             40.42N 104.90W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            DIRECT HIT ON STATE FARM BUILDING. CARS TOSSED OFF OF
            ROAD. TREES DOWN. SWIFT COMPANY ROOF TORN OFF. TORNADO
            3/4 TO 1 MILE WIDE

1156 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M2.75 INCH       WELD               CO   TRAINED SPOTTER

            WEST WINDS TO 40 MPH

1154 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.50 INCH       WELD               CO   TRAINED SPOTTER

            STORM MOVING N

1148 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

1147 AM     HAIL             3 ENE FORT COLLINS      40.57N 105.02W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

            0.48 INCH PRECIPITATION

1140 AM     TORNADO          3 E MILLIKEN            40.32N 104.80W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            EXTREMELY LARGE TORNADO

1132 AM     TORNADO          GILCREST                40.28N 104.78W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO IN TOWN

1130 AM     HAIL             3 NNE DRAKE             40.47N 105.31W
05/22/2008  M1.75 INCH       LARIMER            CO   TRAINED SPOTTER

            0.73 INCH OF RAINFALL IN 30 MINUTES. SOME FLOODING

1127 AM     TORNADO          PLATTEVILLE             40.22N 104.82W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO 1/2 MILE WIDE

1126 AM     TORNADO          2 NW MILTON RESERVOIR   40.26N 104.66W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TREE UPROOTED TORNADO MOVING ACROSS PASTURE

1119 AM     HAIL             3 NNE PLATTEVILLE       40.26N 104.80W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            GROUND COVERED WITH HAIL QUARTER SIZE AND SMALLER

&&

BENTON
Local storm report, May 22, 1:57 PM MDT, 3 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
157 PM MDT THU MAY 22 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0154 PM     HAIL             1 SW BERTHOUD           40.30N 105.09W
05/22/2008  M1.00 INCH       LARIMER            CO   AMATEUR RADIO

0147 PM     HAIL             1 NW WINDSOR            40.50N 104.92W
05/22/2008  M2.00 INCH       WELD               CO   AMATEUR RADIO

0119 PM     NON-TSTM WND GST CASTLE ROCK             39.38N 104.85W
05/22/2008  M50.00 MPH       DOUGLAS            CO   AMATEUR RADIO

0119 PM     HAIL             17 E BRUSH              40.26N 103.31W
05/22/2008  M0.75 INCH       WASHINGTON         CO   TRAINED SPOTTER

1257 PM     HAIL             S FORT COLLINS          40.56N 105.07W
05/22/2008  M0.75 INCH       LARIMER            CO   STORM CHASER

1251 PM     HAIL             LOVELAND                40.42N 105.07W
05/22/2008  M1.00 INCH       LARIMER            CO   NWS EMPLOYEE

1245 PM     HAIL             1 N BERTHOUD            40.32N 105.08W
05/22/2008  M0.88 INCH       LARIMER            CO   TRAINED SPOTTER

1232 PM     TORNADO          4 SW DACONO             40.03N 105.00W
05/22/2008                   WELD               CO   EMERGENCY MNGR

1230 PM     HAIL             SE LONGMONT             40.17N 105.11W
05/22/2008  M1.50 INCH       BOULDER            CO   NWS EMPLOYEE

1230 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/22/2008  M65.00 MPH       WELD               CO   TRAINED SPOTTER

            WIND 04050G65 AND SHIFTED IMMEDIATELY TO 14045G60 WITH
            1/2 INCH HAIL

1228 PM     HAIL             N LONGMONT              40.17N 105.11W
05/22/2008  M1.25 INCH       BOULDER            CO   TRAINED SPOTTER

            MINOR DAMAGE REPORTED

1223 PM     TORNADO          4 W DACONO              40.08N 105.02W
05/22/2008                   WELD               CO   LAW ENFORCEMENT

1220 PM     HAIL             LONGMONT                40.17N 105.11W
05/22/2008  M1.00 INCH       BOULDER            CO   NWS EMPLOYEE

1205 PM     HAIL             2 NE LONGMONT           40.19N 105.09W
05/22/2008  M1.50 INCH       BOULDER            CO   TRAINED SPOTTER

1203 PM     HAIL             2 ENE FORT COLLINS      40.57N 105.04W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

1202 PM     TORNADO          8 W GREELEY             40.42N 104.90W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            DIRECT HIT ON STATE FARM BUILDING. CARS TOSSED OFF OF
            ROAD. TREES DOWN. SWIFT COMPANY ROOF TORN OFF. TORNADO
            3/4 TO 1 MILE WIDE

1156 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M2.75 INCH       WELD               CO   TRAINED SPOTTER

            WEST WINDS TO 40 MPH

1154 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.50 INCH       WELD               CO   TRAINED SPOTTER

            STORM MOVING N

1148 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

1147 AM     HAIL             3 ENE FORT COLLINS      40.57N 105.02W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

            0.48 INCH PRECIPITATION

1140 AM     TORNADO          3 E MILLIKEN            40.32N 104.80W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            EXTREMELY LARGE TORNADO

1132 AM     TORNADO          GILCREST                40.28N 104.78W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO IN TOWN

1130 AM     HAIL             3 NNE DRAKE             40.47N 105.31W
05/22/2008  M1.75 INCH       LARIMER            CO   TRAINED SPOTTER

            0.73 INCH OF RAINFALL IN 30 MINUTES. SOME FLOODING

1127 AM     TORNADO          PLATTEVILLE             40.22N 104.82W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO 1/2 MILE WIDE

1126 AM     TORNADO          2 NW MILTON RESERVOIR   40.26N 104.66W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TREE UPROOTED TORNADO MOVING ACROSS PASTURE

1119 AM     HAIL             3 NNE PLATTEVILLE       40.26N 104.80W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            GROUND COVERED WITH HAIL QUARTER SIZE AND SMALLER

&&

BENTON
Local storm report, May 22, 2:33 PM MDT, 3 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
233 PM MDT THU MAY 22 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0154 PM     HAIL             1 SW BERTHOUD           40.30N 105.09W
05/22/2008  M1.00 INCH       LARIMER            CO   AMATEUR RADIO

0147 PM     HAIL             1 NW WINDSOR            40.50N 104.92W
05/22/2008  M2.00 INCH       WELD               CO   AMATEUR RADIO

0119 PM     NON-TSTM WND GST CASTLE ROCK             39.38N 104.85W
05/22/2008  M50.00 MPH       DOUGLAS            CO   AMATEUR RADIO

0119 PM     HAIL             17 E BRUSH              40.26N 103.31W
05/22/2008  M0.75 INCH       WASHINGTON         CO   TRAINED SPOTTER

0115 PM     TSTM WND DMG     WELLINGTON              40.70N 105.00W
05/22/2008                   LARIMER            CO   TRAINED SPOTTER

            DAMAGE TO LOAFING SHED. ANMENOMETOR BROKE AT 87 MPH

1257 PM     HAIL             S FORT COLLINS          40.56N 105.07W
05/22/2008  M0.75 INCH       LARIMER            CO   STORM CHASER

1251 PM     HAIL             LOVELAND                40.42N 105.07W
05/22/2008  M1.00 INCH       LARIMER            CO   NWS EMPLOYEE

1245 PM     HAIL             1 N BERTHOUD            40.32N 105.08W
05/22/2008  M0.88 INCH       LARIMER            CO   TRAINED SPOTTER

1232 PM     TORNADO          4 SW DACONO             40.03N 105.00W
05/22/2008                   WELD               CO   EMERGENCY MNGR

1230 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/22/2008  M65.00 MPH       WELD               CO   TRAINED SPOTTER

            WIND 04050G65 AND SHIFTED IMMEDIATELY TO 14045G60 WITH
            1/2 INCH HAIL

1230 PM     HAIL             SE LONGMONT             40.17N 105.11W
05/22/2008  M1.50 INCH       BOULDER            CO   NWS EMPLOYEE

1228 PM     HAIL             N LONGMONT              40.17N 105.11W
05/22/2008  M1.25 INCH       BOULDER            CO   TRAINED SPOTTER

            MINOR DAMAGE REPORTED

1223 PM     TORNADO          4 W DACONO              40.08N 105.02W
05/22/2008                   WELD               CO   LAW ENFORCEMENT

1220 PM     HAIL             LONGMONT                40.17N 105.11W
05/22/2008  M1.00 INCH       BOULDER            CO   NWS EMPLOYEE

1205 PM     HAIL             2 NE LONGMONT           40.19N 105.09W
05/22/2008  M1.50 INCH       BOULDER            CO   TRAINED SPOTTER

1203 PM     HAIL             2 ENE FORT COLLINS      40.57N 105.04W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

1202 PM     TORNADO          8 W GREELEY             40.42N 104.90W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            DIRECT HIT ON STATE FARM BUILDING. CARS TOSSED OFF OF
            ROAD. TREES DOWN. SWIFT COMPANY ROOF TORN OFF. TORNADO
            3/4 TO 1 MILE WIDE

1157 AM     TORNADO          WINDSOR                 40.49N 104.91W
05/22/2008                   WELD               CO   BROADCAST MEDIA

1156 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M2.75 INCH       WELD               CO   TRAINED SPOTTER

            WEST WINDS TO 40 MPH

1154 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.50 INCH       WELD               CO   TRAINED SPOTTER

            STORM MOVING N

1148 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

1147 AM     HAIL             3 ENE FORT COLLINS      40.57N 105.02W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

            0.48 INCH PRECIPITATION

1140 AM     TORNADO          3 E MILLIKEN            40.32N 104.80W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            EXTREMELY LARGE TORNADO

1132 AM     TORNADO          GILCREST                40.28N 104.78W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO IN TOWN

1130 AM     HAIL             3 NNE DRAKE             40.47N 105.31W
05/22/2008  M1.75 INCH       LARIMER            CO   TRAINED SPOTTER

            0.73 INCH OF RAINFALL IN 30 MINUTES. SOME FLOODING

1127 AM     TORNADO          PLATTEVILLE             40.22N 104.82W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO 1/2 MILE WIDE

1126 AM     TORNADO          2 NW MILTON RESERVOIR   40.26N 104.66W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TREE UPROOTED TORNADO MOVING ACROSS PASTURE

1119 AM     HAIL             3 NNE PLATTEVILLE       40.26N 104.80W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            GROUND COVERED WITH HAIL QUARTER SIZE AND SMALLER

&&

BENTON
Local storm report, May 22, 3:44 PM MDT, 2 hours before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
344 PM MDT THU MAY 22 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0154 PM     HAIL             1 SW BERTHOUD           40.30N 105.09W
05/22/2008  M1.00 INCH       LARIMER            CO   AMATEUR RADIO

0147 PM     HAIL             1 NW WINDSOR            40.50N 104.92W
05/22/2008  M2.00 INCH       WELD               CO   AMATEUR RADIO

0130 PM     HAIL             1 E BUCKHORN MOUNTAIN   40.62N 105.30W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

            TREE KNOCKED ONTO HOUSE

0119 PM     HAIL             17 E BRUSH              40.26N 103.31W
05/22/2008  M0.75 INCH       WASHINGTON         CO   TRAINED SPOTTER

0119 PM     NON-TSTM WND GST CASTLE ROCK             39.38N 104.85W
05/22/2008  M50.00 MPH       DOUGLAS            CO   AMATEUR RADIO

0115 PM     TSTM WND DMG     WELLINGTON              40.70N 105.00W
05/22/2008                   LARIMER            CO   TRAINED SPOTTER

            DAMAGE TO LOAFING SHED. ANMENOMETOR BROKE AT 87 MPH

1257 PM     HAIL             S FORT COLLINS          40.56N 105.07W
05/22/2008  M0.75 INCH       LARIMER            CO   STORM CHASER

1251 PM     HAIL             LOVELAND                40.42N 105.07W
05/22/2008  M1.00 INCH       LARIMER            CO   NWS EMPLOYEE

1245 PM     HAIL             1 N BERTHOUD            40.32N 105.08W
05/22/2008  M0.88 INCH       LARIMER            CO   TRAINED SPOTTER

1240 PM     HAIL             2 SW BERTHOUD           40.29N 105.11W
05/22/2008  M0.75 INCH       LARIMER            CO   TRAINED SPOTTER

1232 PM     TORNADO          4 SW DACONO             40.03N 105.00W
05/22/2008                   WELD               CO   EMERGENCY MNGR

1230 PM     HAIL             SE LONGMONT             40.17N 105.11W
05/22/2008  M1.50 INCH       BOULDER            CO   NWS EMPLOYEE

1230 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/22/2008  M65.00 MPH       WELD               CO   TRAINED SPOTTER

            WIND 04050G65 AND SHIFTED IMMEDIATELY TO 14045G60 WITH
            1/2 INCH HAIL

1228 PM     HAIL             N LONGMONT              40.17N 105.11W
05/22/2008  M1.25 INCH       BOULDER            CO   TRAINED SPOTTER

            MINOR DAMAGE REPORTED

1223 PM     TORNADO          4 W DACONO              40.08N 105.02W
05/22/2008                   WELD               CO   LAW ENFORCEMENT

1220 PM     HAIL             LONGMONT                40.17N 105.11W
05/22/2008  M1.00 INCH       BOULDER            CO   NWS EMPLOYEE

1205 PM     HAIL             2 NE LONGMONT           40.19N 105.09W
05/22/2008  M1.50 INCH       BOULDER            CO   TRAINED SPOTTER

1203 PM     HAIL             2 ENE FORT COLLINS      40.57N 105.04W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

1202 PM     TORNADO          8 W GREELEY             40.42N 104.90W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            DIRECT HIT ON STATE FARM BUILDING. CARS TOSSED OFF OF
            ROAD. TREES DOWN. SWIFT COMPANY ROOF TORN OFF. TORNADO
            3/4 TO 1 MILE WIDE

1157 AM     TORNADO          WINDSOR                 40.49N 104.91W
05/22/2008                   WELD               CO   BROADCAST MEDIA

1156 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M2.75 INCH       WELD               CO   TRAINED SPOTTER

            WEST WINDS TO 40 MPH

1154 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.50 INCH       WELD               CO   TRAINED SPOTTER

            STORM MOVING N

1148 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

1147 AM     HAIL             3 ENE FORT COLLINS      40.57N 105.02W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

            0.48 INCH PRECIPITATION

1140 AM     TORNADO          3 E MILLIKEN            40.32N 104.80W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            EXTREMELY LARGE TORNADO

1132 AM     TORNADO          GILCREST                40.28N 104.78W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO IN TOWN

1130 AM     HAIL             3 NNE DRAKE             40.47N 105.31W
05/22/2008  M1.75 INCH       LARIMER            CO   TRAINED SPOTTER

            0.73 INCH OF RAINFALL IN 30 MINUTES. SOME FLOODING

1127 AM     TORNADO          PLATTEVILLE             40.22N 104.82W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO 1/2 MILE WIDE

1126 AM     TORNADO          2 NW MILTON RESERVOIR   40.26N 104.66W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TREE UPROOTED TORNADO MOVING ACROSS PASTURE

1119 AM     HAIL             3 NNE PLATTEVILLE       40.26N 104.80W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            GROUND COVERED WITH HAIL QUARTER SIZE AND SMALLER

&&

BENTON
Local storm report, May 22, 4:41 PM MDT, 1 hour 3 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
441 PM MDT THU MAY 22 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0355 PM     HAIL             20 NW BRIGGSDALE        40.83N 104.59W
05/22/2008  M0.75 INCH       WELD               CO   TRAINED SPOTTER

0154 PM     HAIL             1 SW BERTHOUD           40.30N 105.09W
05/22/2008  M1.00 INCH       LARIMER            CO   AMATEUR RADIO

0147 PM     HAIL             1 NW WINDSOR            40.50N 104.92W
05/22/2008  M2.00 INCH       WELD               CO   AMATEUR RADIO

0130 PM     HAIL             1 E BUCKHORN MOUNTAIN   40.62N 105.30W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

            TREE KNOCKED ONTO HOUSE

0119 PM     HAIL             17 E BRUSH              40.26N 103.31W
05/22/2008  M0.75 INCH       WASHINGTON         CO   TRAINED SPOTTER

0119 PM     NON-TSTM WND GST CASTLE ROCK             39.38N 104.85W
05/22/2008  M50.00 MPH       DOUGLAS            CO   AMATEUR RADIO

0115 PM     TSTM WND DMG     WELLINGTON              40.70N 105.00W
05/22/2008                   LARIMER            CO   TRAINED SPOTTER

            DAMAGE TO LOAFING SHED. ANMENOMETOR BROKE AT 87 MPH

1257 PM     HAIL             S FORT COLLINS          40.56N 105.07W
05/22/2008  M0.75 INCH       LARIMER            CO   STORM CHASER

1251 PM     HAIL             LOVELAND                40.42N 105.07W
05/22/2008  M1.00 INCH       LARIMER            CO   NWS EMPLOYEE

1245 PM     HAIL             1 N BERTHOUD            40.32N 105.08W
05/22/2008  M0.88 INCH       LARIMER            CO   TRAINED SPOTTER

1240 PM     HAIL             2 SW BERTHOUD           40.29N 105.11W
05/22/2008  M0.75 INCH       LARIMER            CO   TRAINED SPOTTER

1232 PM     TORNADO          4 SW DACONO             40.03N 105.00W
05/22/2008                   WELD               CO   EMERGENCY MNGR

1230 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/22/2008  M65.00 MPH       WELD               CO   TRAINED SPOTTER

            WIND 04050G65 AND SHIFTED IMMEDIATELY TO 14045G60 WITH
            1/2 INCH HAIL

1230 PM     TSTM WND DMG     2 SW DACONO             40.06N 104.97W
05/22/2008                   WELD               CO   BROADCAST MEDIA

            1 INJURY AND FIVE BUILDINGS DESROYED. POSSIBLE TORNADO

1230 PM     HAIL             SE LONGMONT             40.17N 105.11W
05/22/2008  M1.50 INCH       BOULDER            CO   NWS EMPLOYEE

1228 PM     HAIL             N LONGMONT              40.17N 105.11W
05/22/2008  M1.25 INCH       BOULDER            CO   TRAINED SPOTTER

            MINOR DAMAGE REPORTED

1223 PM     TORNADO          4 W DACONO              40.08N 105.02W
05/22/2008                   WELD               CO   LAW ENFORCEMENT

1220 PM     HAIL             LONGMONT                40.17N 105.11W
05/22/2008  M1.00 INCH       BOULDER            CO   NWS EMPLOYEE

1205 PM     HAIL             2 NE LONGMONT           40.19N 105.09W
05/22/2008  M1.50 INCH       BOULDER            CO   TRAINED SPOTTER

1203 PM     HAIL             2 ENE FORT COLLINS      40.57N 105.04W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

1202 PM     TORNADO          8 W GREELEY             40.42N 104.90W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            DIRECT HIT ON STATE FARM BUILDING. CARS TOSSED OFF OF
            ROAD. TREES DOWN. SWIFT COMPANY ROOF TORN OFF. TORNADO
            3/4 TO 1 MILE WIDE

1157 AM     TORNADO          WINDSOR                 40.49N 104.91W
05/22/2008                   WELD               CO   BROADCAST MEDIA

1156 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M2.75 INCH       WELD               CO   TRAINED SPOTTER

            WEST WINDS TO 40 MPH

1154 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.50 INCH       WELD               CO   TRAINED SPOTTER

            STORM MOVING N

1148 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

1147 AM     HAIL             3 ENE FORT COLLINS      40.57N 105.02W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

            0.48 INCH PRECIPITATION

1140 AM     TORNADO          3 E MILLIKEN            40.32N 104.80W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            EXTREMELY LARGE TORNADO

1132 AM     TORNADO          GILCREST                40.28N 104.78W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO IN TOWN

1130 AM     HAIL             3 NNE DRAKE             40.47N 105.31W
05/22/2008  M1.75 INCH       LARIMER            CO   TRAINED SPOTTER

            0.73 INCH OF RAINFALL IN 30 MINUTES. SOME FLOODING

1127 AM     TORNADO          PLATTEVILLE             40.22N 104.82W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO 1/2 MILE WIDE

1126 AM     TORNADO          2 NW MILTON RESERVOIR   40.26N 104.66W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TREE UPROOTED TORNADO MOVING ACROSS PASTURE

1119 AM     HAIL             3 NNE PLATTEVILLE       40.26N 104.80W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            GROUND COVERED WITH HAIL QUARTER SIZE AND SMALLER

&&

BENTON
Local storm report, May 22, 5:22 PM MDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
522 PM MDT THU MAY 22 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0355 PM     HAIL             20 NW BRIGGSDALE        40.83N 104.59W
05/22/2008  M0.75 INCH       WELD               CO   TRAINED SPOTTER

0154 PM     HAIL             1 SW BERTHOUD           40.30N 105.09W
05/22/2008  M1.00 INCH       LARIMER            CO   AMATEUR RADIO

0147 PM     HAIL             1 NW WINDSOR            40.50N 104.92W
05/22/2008  M2.00 INCH       WELD               CO   AMATEUR RADIO

0130 PM     HAIL             1 E BUCKHORN MOUNTAIN   40.62N 105.30W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

            TREE KNOCKED ONTO HOUSE

0119 PM     HAIL             17 E BRUSH              40.26N 103.31W
05/22/2008  M0.75 INCH       WASHINGTON         CO   TRAINED SPOTTER

0119 PM     NON-TSTM WND GST CASTLE ROCK             39.38N 104.85W
05/22/2008  M50.00 MPH       DOUGLAS            CO   AMATEUR RADIO

0115 PM     TSTM WND DMG     WELLINGTON              40.70N 105.00W
05/22/2008                   LARIMER            CO   TRAINED SPOTTER

            DAMAGE TO LOAFING SHED. ANMENOMETOR BROKE AT 87 MPH

0104 PM     HAIL             WELLINGTON              40.70N 105.00W
05/22/2008  M1.00 INCH       LARIMER            CO   NWS EMPLOYEE

1257 PM     HAIL             S FORT COLLINS          40.56N 105.07W
05/22/2008  M0.75 INCH       LARIMER            CO   STORM CHASER

1251 PM     HAIL             LOVELAND                40.42N 105.07W
05/22/2008  M1.00 INCH       LARIMER            CO   NWS EMPLOYEE

1245 PM     HAIL             1 N BERTHOUD            40.32N 105.08W
05/22/2008  M0.88 INCH       LARIMER            CO   TRAINED SPOTTER

1240 PM     HAIL             2 SW BERTHOUD           40.29N 105.11W
05/22/2008  M0.75 INCH       LARIMER            CO   TRAINED SPOTTER

1232 PM     TORNADO          4 SW DACONO             40.03N 105.00W
05/22/2008                   WELD               CO   EMERGENCY MNGR

1230 PM     TSTM WND DMG     2 SW DACONO             40.06N 104.97W
05/22/2008                   WELD               CO   BROADCAST MEDIA

            1 INJURY AND FIVE BUILDINGS DESROYED. POSSIBLE TORNADO

1230 PM     HAIL             SE LONGMONT             40.17N 105.11W
05/22/2008  M1.50 INCH       BOULDER            CO   NWS EMPLOYEE

1230 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/22/2008  M65.00 MPH       WELD               CO   TRAINED SPOTTER

            WIND 04050G65 AND SHIFTED IMMEDIATELY TO 14045G60 WITH
            1/2 INCH HAIL

1228 PM     HAIL             N LONGMONT              40.17N 105.11W
05/22/2008  M1.25 INCH       BOULDER            CO   TRAINED SPOTTER

            MINOR DAMAGE REPORTED

1223 PM     TORNADO          4 W DACONO              40.08N 105.02W
05/22/2008                   WELD               CO   LAW ENFORCEMENT

1220 PM     HAIL             LONGMONT                40.17N 105.11W
05/22/2008  M1.00 INCH       BOULDER            CO   NWS EMPLOYEE

1205 PM     HAIL             2 NE LONGMONT           40.19N 105.09W
05/22/2008  M1.50 INCH       BOULDER            CO   TRAINED SPOTTER

1203 PM     HAIL             2 ENE FORT COLLINS      40.57N 105.04W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

1202 PM     TORNADO          8 W GREELEY             40.42N 104.90W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            DIRECT HIT ON STATE FARM BUILDING. CARS TOSSED OFF OF
            ROAD. TREES DOWN. SWIFT COMPANY ROOF TORN OFF. TORNADO
            3/4 TO 1 MILE WIDE

1157 AM     TORNADO          WINDSOR                 40.49N 104.91W
05/22/2008                   WELD               CO   BROADCAST MEDIA

1156 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M2.75 INCH       WELD               CO   TRAINED SPOTTER

            WEST WINDS TO 40 MPH

1154 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.50 INCH       WELD               CO   TRAINED SPOTTER

            STORM MOVING N

1148 AM     HAIL             WINDSOR                 40.49N 104.91W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

1147 AM     HAIL             3 ENE FORT COLLINS      40.57N 105.02W
05/22/2008  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

            0.48 INCH PRECIPITATION

1140 AM     TORNADO          3 E MILLIKEN            40.32N 104.80W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            EXTREMELY LARGE TORNADO

1132 AM     TORNADO          GILCREST                40.28N 104.78W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO IN TOWN

1130 AM     HAIL             3 NNE DRAKE             40.47N 105.31W
05/22/2008  M1.75 INCH       LARIMER            CO   TRAINED SPOTTER

            0.73 INCH OF RAINFALL IN 30 MINUTES. SOME FLOODING

1127 AM     TORNADO          PLATTEVILLE             40.22N 104.82W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TORNADO 1/2 MILE WIDE

1126 AM     TORNADO          2 NW MILTON RESERVOIR   40.26N 104.66W
05/22/2008                   WELD               CO   TRAINED SPOTTER

            TREE UPROOTED TORNADO MOVING ACROSS PASTURE

1119 AM     HAIL             3 NNE PLATTEVILLE       40.26N 104.80W
05/22/2008  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            GROUND COVERED WITH HAIL QUARTER SIZE AND SMALLER

&&

JK

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 21, 6:21 PM MDTSevere Thunderstorm WarningBOUWashington24 min
May 21, 7:08 PM MDTSevere Thunderstorm WarningBOULogan, Morgan, Phillips, Sedgwick, Washington52 min
May 21, 8:04 PM MDTSevere Thunderstorm WarningBOULogan, Morgan, Phillips, Sedgwick, Washington56 min
May 21, 9:44 PM MDTSevere Thunderstorm WarningBOUArapahoe, Elbert46 min
May 22, 1:48 AM MDTAreal Flood AdvisoryBOULarimer87 min
May 22, 11:09 AM MDTSevere Thunderstorm WarningBOULarimer, Weld51 min
May 22, 11:18 AM MDTTornado WarningBOUWeld42 min
May 22, 11:35 AM MDTTornado WarningBOULarimer, Weld25 min
May 22, 11:53 AM MDTTornado WarningBOULarimer, Weld22 min
May 22, 12:13 PM MDTTornado WarningBOULarimer32 min
May 22, 12:24 PM MDTTornado WarningBOUBoulder, Weld36 min
May 22, 12:46 PM MDTSevere Thunderstorm WarningBOULarimer44 min
May 22, 12:49 PM MDTSevere Thunderstorm WarningBOULarimer30 min
May 22, 1:00 PM MDTTornado WarningBOUWashington30 min
May 22, 1:14 PM MDTSevere Thunderstorm WarningBOULogan, Morgan, Washington, Weld31 min
May 22, 1:22 PM MDTSevere Thunderstorm WarningBOULarimer38 min
May 22, 2:34 PM MDTSevere Thunderstorm WarningBOULogan, Sedgwick26 min
May 22, 3:05 PM MDTSevere Thunderstorm WarningBOUWeld55 min
May 22, 3:06 PM MDTAreal Flood AdvisoryBOULarimer3 hr
May 22, 3:20 PM MDTTornado WarningBOUWeld40 min
May 22, 3:29 PM MDTTornado WarningBOUWeld46 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2008Every severe thunderstorm warning in 2008

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.