Alert archive / Colorado / Mesoscale Discussions in 2016
Mesoscale Discussion 547
The Storm Prediction Center issued this mesoscale discussion at May 7, 2016, 4:23 PM MDT for 7 counties in Colorado. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- May 7, 2016, 4:23 PM MDT (22:23 UTC)
- Expired
- May 7, 2016, 6:00 PM MDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
Counties Kit Carson County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO
The radar
The Denver radar (KFTG), 123 km from the middle of the area, began a volume at 22:27 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 nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 10.4 hours before the alert went out and 49 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
- 5 J/kg
- Mixed-layer CIN
- -219 J/kg
- Mixed-layer LCL
- 776 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
096
ACUS11 KWNS 072223
SWOMCD
SPC MCD 072223
NEZ000-KSZ000-COZ000-WYZ000-080000-
MESOSCALE DISCUSSION 0547
NWS STORM PREDICTION CENTER NORMAN OK
0523 PM CDT SAT MAY 07 2016
AREAS AFFECTED...NORTHEAST CO AND IMMEDIATELY ADJACENT SOUTHWEST
NEB/NORTHWEST KS
CONCERNING...TORNADO WATCH 143...
VALID 072223Z - 080000Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 143 CONTINUES.
SUMMARY...THE POTENTIAL FOR LARGE HAIL...A COUPLE OF TORNADOES...AND
LOCALIZED SEVERE-CALIBER WIND GUSTS WILL CONTINUE THROUGH EARLY
EVENING ACROSS NORTHEAST CO /AND ADJACENT PARTS OF SOUTHWEST NEB AND
POSSIBLY EXTREME NORTHWEST KS/. TORNADO WATCH 143 CONTINUES UNTIL
01Z.
DISCUSSION...LATEST MESOANALYSIS FEATURES A 998 MB SURFACE LOW
ACROSS EAST-CENTRAL CO NEAR/SOUTH OF LIMON AS OF 22Z...WITH MODESTLY
MOIST /MIDDLE 40S TO LOWER 50S F SURFACE DEWPOINTS/ LOW-LEVEL
EASTERLY UPSLOPE FLOW EXTENDING ACROSS NORTHEAST CO/NORTHWEST
KS/SOUTHWEST NEB. A NUMBER OF SUPERCELLS ARE CURRENTLY ONGOING IN
MULTIPLE SMALLER-SCALE CORRIDORS ACROSS NORTHEAST CO. THIS INCLUDES
A MERGING/CLUSTERING OF STORMS THAT PREVIOUSLY PRODUCED TORNADOES
ACROSS PARTS OF WELD/MORGAN COUNTIES TO THE WEST OF FORT MORGAN. A
COUPLE OF OTHER SUPERCELLS ARE ONGOING NORTH OF I-70 BETWEEN
BURLINGTON AND YUMA AS OF 22Z. GIVEN AN OBSERVED TREND OF MODEST
BACKING/STRENGTHENING OF 1-2 KM AGL SOUTHEASTERLY WINDS VIA THE
GOODLAND KS VWP...ITS POSSIBLE THAT THE TORNADO/LARGE HAIL POTENTIAL
COULD BE INCREASING OVER THE NEXT 2-3 HOURS ACROSS EXTREME NORTHEAST
CO /EASTERNMOST TIER OF COUNTIES INCLUDING YUMA TO HOLYOKE
VICINITY/...AND POSSIBLY INTO IMMEDIATELY ADJACENT SOUTHWEST NEB.
..GUYER.. 05/07/2016
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...LBF...GLD...BOU...CYS...
LAT...LON 40810457 41180421 40960205 40550172 39880189 39230209
39270337 39930398 40450421 40810457SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 11:29 AM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Elbert, Kit Carson, Logan, Morgan and 5 more | 91 min |
| May 7, 12:31 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 7 more | 8 hr |
Nearby
Mesoscale Discussions in Colorado, 2016Every mesoscale discussion in 2016
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.