Alert archive / Colorado / Tornado Warnings in 1996
Tornado Warning 1, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at May 22, 1996, 6:29 PM MDT for Phillips County, Colorado. It was in force for 31 min. 8 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 22, 1996, 6:29 PM MDT (00:29 UTC)
- Expired
- May 22, 1996, 7:00 PM MDT
- In force
- 31 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Phillips County, CO
The radar
The Goodland radar (KGLD), 148 km from the middle of the area, began a volume at 00:29 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 |
|---|---|---|---|
| May 22, 6:35 PM MDT | Hail 1.75 | Holyoke, CO | |
| May 22, 6:40 PM MDT | Tornado F1 | Holyoke, CO | |
| May 22, 6:41 PM MDT | Hail 1.75 | Holyoke, CO | |
| May 22, 6:47 PM MDT | Hail 1.75 | Amhurst, CO | |
| May 22, 6:49 PM MDT | Hail 2 | Amhurst, CO | |
| May 22, 6:49 PM MDT | Hail 2.75 | Holyoke, CO | |
| May 22, 6:52 PM MDT | Tornado F0 | Holyoke, CO | |
| May 22, 6:53 PM MDT | Hail 2.5 | Holyoke, CO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 0.5 hours before the alert went out and 109 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
- 173 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 3436 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 230031
TORDEN
COC095-230100-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
629 PM MDT WED MAY 22 1996
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 700 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN NORTHEASTERN COLORADO
PHILLIPS
INCLUDING THE FOLLOWING LOCATIONS
FAIRFIELD...HOLYOKE...PAOLI AND WAGES
AT 629 PM MDT WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLE
TORNADO 5 MILES EAST OF PAOLI...OR ABOUT 44 MILES EAST OF STERLING.
THE POSSIBLE TORNADO WAS MOVING SOUTHEAST AT 25 MPH AND WILL MOVE NEAR
HOLYOKE BY 645 PM.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET
UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY
FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN
THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH
YOUR HANDS.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFO>RCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
KLEYLA
LAT...LON 4048 10211 4049 10250 4073 10250 4074 10221What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 22, 1:22 PM MDT, 5 hours 7 minutes before
COZ030-032>050-230600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 120 PM MDT WED MAY 22 1996 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS ARAPAHOE BOULDER CLEAR CREEK DENVER DOUGLAS ELBERT GILPIN GRAND JACKSON JEFFERSON LARIMER LINCOLN LOGAN MORGAN PARK PHILLIPS SEDGWICK SUMMIT WASHINGTON WELD SYNOPSIS: A WEAK UPPER LEVEL DISTURBANCE WAS MOVING ACROSS NORTH CENTRAL COLORADO AT THIS TIME WITH SOME THUNDERSTORM DEVELOPMENT EVIDENT ALONG THE FOOTHILLS AND ALONG THE WYOMING BORDER. DUE TO THE FASTER TIMING OF THIS SYSTEM...THUNDERSTORM DEVELOPMENT WILL LIKELY BEGIN SOONER THAN EARLIER ANTICIPATED IN THE NORTHEAST PLAINS. CLOUDS AND SHOWERS ARE EXPECTED TO DECREASE IN THE MOUNTAINS AND FOOTHILLS THIS AFTERNOON AS THIS SYSTEM EXITS THE AREA...HOWEVER A FEW THUNDERSTORMS ARE STILL POSSIBLE LATER IN THE DAY. THE STRONGER STORMS WILL DEVELOP NORTH AND EAST OF A SURFACE LOW THAT HAS DEVELOPED OVER EASTERN ADAMS AND ARAPAHOE COUNTIES. DUE TO THE AVAILABILITY OF BETTER LOW LEVEL MOISTURE IN THESE AREAS SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP...MAINLY EAST OF THE URBAN CORRIDOR AFTER 2 PM. A FEW STRONG THUNDERSTORMS ARE POSSIBLE EAST OF A LINE EXTENDING FROM BYERS NORTH TO THE WYOMING BORDER. COUNTIES INCLUDED IN THIS AREA ARE: EASTERN ADAMS...EASTERN ARAPAHOE...MORGAN...EASTERN WELD... AND WESTERN WASHINGTON COUNTIES. BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS TO 50 MPH ARE POSSIBLE WITH SOME OF THESE STORMS. AS THIS SYSTEM CONTINUES EAST...A FEW SEVERE STORMS ARE POSSIBLE BY 3 PM IN EASTERN WASHINGTON...LOGAN...PHILLIPS AND SEDGEWICK COUNTIES. HEAVY RAIN...LARGE HAIL AND GUSTY WINDS IN EXCESS OF 58 MPH ARE THE PRIMARY THREATS OF THESE STORM IF THEY BECOME SEVERE. SPOTTER ACTIVATION MAY BE NEEDED IN THE FOLLOWING COUNTIES AF(TER 230 PM: LOGAN...MORGAN...EASTERN WASHINGTON...PHILLIPS AND SEDGEWICK COUNTIES. FMC
Special weather statement, May 22, 2:59 PM MDT, 3 hours 30 minutes before
COZ042-044-048>050-222200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 255 PM MDT WED MAY 22 1996 A TORNADO WATCH HAS BEEN ISSUED FOR A PORTION OF NORTHEASTERN COLORADO UNTIL 900PM MDT. A WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELPMENT OF SEVERE THUNDERSTORMS AND POSSIBLY TORNADOES. COUNTIES INCLUDED IN THE WATCH AREA ARE: LOGAN...MORGAN...PHILLIPS...SEDGEWICK...NORTHERN WASHINGTON AND EASTERN WELD COUNTIES. VERY MOIST AND UNSTABLE LOW LEVEL AIRMASS WILL COMBINE WITH AN UPPER LEVEL DISTURBANCE MOVNING INTO THE AREA TO TRIGGER SCATTERED THUNDERSTORMS IN THE WATCH AREA LATER THIS AFTERNOON AND EVENING. THE GREATEST THREAT EXTENDS FORT MORGAN TO THE WYOMING BORDER EASTWARD TO THE KANSAS BORDER. A SEVERE THUNDERSTORM HAD ALREADY DEVELOPED NORTHEAST OF CHEYENNE WYOMING AND CONTINUED TO INTENIFY. THESE STORMS ARE EXPECTED TO DEVELOP AND PROPOGATE INTO NORTHEAST COLORADO LATER THIS AFTERNOON AND EVENING. A FEW OF THESE STORM MAY SPAWN TORNADOES. LARGE HAIL...GUSTY WINDS IN EXCESS OF 60 MPH AND HEAVY RAIN ARE ALSO POSSIBLE WITH THESE STORMS. SEEK SHELTER IF A STORM APPROACHES YOUR AREA AND REPORT ANY SEVERE WEATHER TO THE NEAREST LAW ENFORECMENT AGENCY. LAT...LON 4060 10270 4061 10299 4083 10299 4083 10270
Special weather statement, May 22, 3:02 PM MDT, 3 hours 27 minutes before
COZ042-044-048>050-222200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO...CORRECTED 300 PM MDT WED MAY 22 1996 .CORRECTED TO INCLUDE SPOTTER ACTIVATION. A TORNADO WATCH HAS BEEN ISSUED FOR A PORTION OF NORTHEASTERN COLORADO UNTIL 900PM MDT. A WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELPMENT OF SEVERE THUNDERSTORMS AND POSSIBLY TORNADOES. COUNTIES INCLUDED IN THE WATCH AREA ARE: LOGAN...MORGAN...PHILLIPS...SEDGEWICK...NORTHERN WASHINGTON AND EASTERN WELD COUNTIES. VERY MOIST AND UNSTABLE LOW LEVEL AIRMASS WILL COMBINE WITH AN UPPER LEVEL DISTURBANCE MOVNING INTO THE AREA TO TRIGGER SCATTERED THUNDERSTORMS IN THE WATCH AREA LATER THIS AFTERNOON AND EVENING. THE GREATEST THREAT EXTENDS FORT MORGAN TO THE WYOMING BORDER EASTWARD TO THE KANSAS BORDER. SPOTTER ACTIVATION WILL BE NECESSARY IN THOSE AREAS THIS AFTERNOON AND EVENING. A SEVERE THUNDERSTORM HAD ALREADY DEVELOPED NORTHEAST OF CHEYENNE WYOMING AND CONTINUED TO INTENIFY. THESE STORMS ARE EXPECTED TO DEVELOP AND PROPOGATE INTO NORTHEAST COLORADO LATER THIS AFTERNOON AND EVENING. A FEW OF THESE STORM MAY SPAWN TORNADOES. LARGE HAIL...GUSTY WINDS IN EXCESS OF 60 MPH AND HEAVY RAIN ARE ALSO POSSIBLE WITH THESE STORMS. SEEK SHELTER IF A STORM APPROACHES YOUR AREA AND REPORT ANY SEVERE WEATHER TO THE NEAREST LAW ENFORECMENT AGENCY. FMC LAT...LON 4060 10270 4061 10299 4083 10299 4083 10270
Special weather statement, May 22, 3:46 PM MDT, 2 hours 43 minutes before
COZ042-044-048>050-230100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 345 PM MDT WED MAY 22 1996 ...A TORNADO WATCH REMAINS IN EFFECT FOR A PORTION OF NORTHEASTERN COLORADO UNTIL 900PM MDT... A WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS AND POSSIBLY TORNADOES. COUNTIES INCLUDED IN THE WATCH AREA ARE: LOGAN...MORGAN...PHILLIPS...SEDGEWICK...NORTHERN WASHINGTON AND EASTERN WELD COUNTIES. A FEW OF THE TOWNS IN THE WATCH AREA INCLUDE: AKRON...FORT MORGAN...HOLYOKE...STERLING AND JULESBURG. VERY MOIST AND UNSTABLE LOW LEVEL AIRMASS WILL COMBINE WITH AN UPPER LEVEL DISTURBANCE MOVING INTO THE AREA TO TRIGGER SCATTERED THUNDERSTORMS IN THE WATCH AREA THE REST OF THIS AFTERNOON AND EVENING. A SEVERE THUNDERSTORM LOCATED 45 MILES SOUTH OF SCOTTBLUFF NEBRASKA CONTINUED TO MOVE SOUTHEAST. THIS STORM MAY MAKE ITS WAY INTO NORTHERN LOGAN AND SEDGEWICK COUNTIES WITHIN THE NEXT HOUR. A FEW OF THESE STORM MAY SPAWN TORNADOES. LARGE HAIL...GUSTY WINDS IN EXCESS OF 60 MPH AND DANGEROUS LIGHTNING AND HEAVY RAIN ARE ALSO POSSIBLE WITH THESE STORMS. SEEK SHELTER IF A STORM APPROACHES YOUR AREA AND REPORT ANY SEVERE WEATHER TO THE NEAREST LAW ENFORECMENT AGENCY. FMC LAT...LON 4060 10270 4061 10299 4083 10299 4083 10270
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 6:04 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 56 min |
| May 22, 6:57 PM MDT | Tornado Warning | BOU | Phillips | 33 min |
| May 22, 11:06 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 39 min |
| May 22, 11:23 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver | 52 min |
| May 22, 11:47 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver, Weld | 43 min |
| May 23, 12:41 AM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan, Weld | 49 min |
| May 23, 1:44 AM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 31 min |
| May 23, 5:00 PM MDT | Tornado Warning | BOU | Arapahoe, Elbert | 45 min |
| May 23, 5:00 PM MDT | Tornado Warning | BOU | Adams | 45 min |
| May 23, 5:40 PM MDT | Tornado Warning | BOU | Adams, Arapahoe, Washington | 60 min |
| May 23, 5:40 PM MDT | Tornado Warning | BOU | Elbert | 60 min |
Nearby
Tornado Warnings in Colorado, 1996Every tornado warning in 1996Tornadoes in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.